Search a number
-
+
52404052440800 = 25521923251148279
BaseRepresentation
bin10111110101001010001001…
…11011100011011011100000
320212112210000111221210210202
423322211010323203123200
523332041444411101200
6303242031144244332
714016032162125334
oct1372450473433340
9225483014853722
1052404052440800
1115774485482aa5
125a6430b1706a8
1323318b1048438
14cd25265417c4
1560d23a1b91d5
hex2fa944ee36e0

52404052440800 has 144 divisors (see below), whose sum is σ = 134671324233600. Its totient is φ = 19857389760000.

The previous prime is 52404052440793. The next prime is 52404052440809. The reversal of 52404052440800 is 804425040425.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52404052440809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353341061 + ... + 353489339.

It is an arithmetic number, because the mean of its divisors is an integer number (935217529400).

Almost surely, 252404052440800 is an apocalyptic number.

52404052440800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52404052440800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67335662116800).

52404052440800 is an abundant number, since it is smaller than the sum of its proper divisors (82267271792800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52404052440800 is a wasteful number, since it uses less digits than its factorization.

52404052440800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171569 (or 171556 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 38.

The spelling of 52404052440800 in words is "fifty-two trillion, four hundred four billion, fifty-two million, four hundred forty thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 19 20 25 32 38 40 50 76 80 95 100 152 160 190 200 304 380 400 475 608 760 800 950 1520 1900 3040 3800 7600 15200 23251 46502 93004 116255 148279 186008 232510 296558 372016 441769 465020 581275 593116 741395 744032 883538 930040 1162550 1186232 1482790 1767076 1860080 2208845 2325100 2372464 2817301 2965580 3534152 3706975 3720160 4417690 4650200 4744928 5634602 5931160 7068304 7413950 8835380 9300400 11044225 11269204 11862320 14086505 14136608 14827900 17670760 18600800 22088450 22538408 23724640 28173010 29655800 35341520 44176900 45076816 56346020 59311600 70432525 70683040 88353800 90153632 112692040 118623200 140865050 176707600 225384080 281730100 353415200 450768160 563460200 1126920400 2253840800 3447635029 6895270058 13790540116 17238175145 27581080232 34476350290 55162160464 65505065551 68952700580 86190875725 110324320928 131010131102 137905401160 172381751450 262020262204 275810802320 327525327755 344763502900 524040524408 551621604640 655050655510 689527005800 1048081048816 1310101311020 1379054011600 1637626638775 2096162097632 2620202622040 2758108023200 3275253277550 5240405244080 6550506555100 10480810488160 13101013110200 26202026220400 52404052440800