Search a number
-
+
73269680 = 24511139599
BaseRepresentation
bin1000101111000…
…00000110110000
312002212111002212
410113200012300
5122224112210
611134231252
71546532141
oct427400660
9162774085
1073269680
11383a4660
1220655528
1312244b53
149a33ac8
156674805
hex45e01b0

73269680 has 80 divisors (see below), whose sum is σ = 187488000. Its totient is φ = 26407680.

The previous prime is 73269673. The next prime is 73269683. The reversal of 73269680 is 8696237.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (73269683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122021 + ... + 122619.

It is an arithmetic number, because the mean of its divisors is an integer number (2343600).

Almost surely, 273269680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73269680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93744000).

73269680 is an abundant number, since it is smaller than the sum of its proper divisors (114218320).

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

73269680 is a wasteful number, since it uses less digits than its factorization.

73269680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 73269680 is about 8559.7710249749. The cubic root of 73269680 is about 418.4479375043.

The spelling of 73269680 in words is "seventy-three million, two hundred sixty-nine thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 139 176 220 278 440 556 599 695 880 1112 1198 1390 1529 2224 2396 2780 2995 3058 4792 5560 5990 6116 6589 7645 9584 11120 11980 12232 13178 15290 23960 24464 26356 30580 32945 47920 52712 61160 65890 83261 105424 122320 131780 166522 263560 333044 416305 527120 666088 832610 915871 1332176 1665220 1831742 3330440 3663484 4579355 6660880 7326968 9158710 14653936 18317420 36634840 73269680