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52331500 = 2253138397
BaseRepresentation
bin1100011110100…
…0001111101100
310122110201022201
43013220033230
5101344102000
65105351244
71203544654
oct307501754
9118421281
1052331500
11275a3481
1215638524
13aac36b0
146d43364
1548da96a
hex31e83ec

52331500 has 96 divisors (see below), whose sum is σ = 125850816. Its totient is φ = 18892800.

The previous prime is 52331497. The next prime is 52331549. The reversal of 52331500 is 513325.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 539452 + ... + 539548.

It is an arithmetic number, because the mean of its divisors is an integer number (1310946).

Almost surely, 252331500 is an apocalyptic number.

52331500 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 52331500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62925408).

52331500 is an abundant number, since it is smaller than the sum of its proper divisors (73519316).

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

52331500 is a wasteful number, since it uses less digits than its factorization.

52331500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 52331500 is about 7234.0514236491. The cubic root of 52331500 is about 374.0425947846.

Adding to 52331500 its reverse (513325), we get a palindrome (52844825).

It can be divided in two parts, 523 and 31500, that added together give a palindrome (32023).

The spelling of 52331500 in words is "fifty-two million, three hundred thirty-one thousand, five hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 83 97 100 125 130 166 194 250 260 325 332 388 415 485 500 650 830 970 1079 1261 1300 1625 1660 1940 2075 2158 2425 2522 3250 4150 4316 4850 5044 5395 6305 6500 8051 8300 9700 10375 10790 12125 12610 16102 20750 21580 24250 25220 26975 31525 32204 40255 41500 48500 53950 63050 80510 104663 107900 126100 134875 157625 161020 201275 209326 269750 315250 402550 418652 523315 539500 630500 805100 1006375 1046630 2012750 2093260 2616575 4025500 5233150 10466300 13082875 26165750 52331500