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65704056 = 23311248879
BaseRepresentation
bin1111101010100…
…1000001111000
311120122010000120
43322221001320
5113310012211
610304133240
71425322005
oct372510170
9146563016
1065704056
11340a7480
121a007220
13107c6352
148a248ac
155b7cd06
hex3ea9078

65704056 has 32 divisors (see below), whose sum is σ = 179193600. Its totient is φ = 19910240.

The previous prime is 65704013. The next prime is 65704081. The reversal of 65704056 is 65040756.

65704056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×657040562 = 8634045949702272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124176 + ... + 124703.

It is an arithmetic number, because the mean of its divisors is an integer number (5599800).

Almost surely, 265704056 is an apocalyptic number.

65704056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65704056 is an abundant number, since it is smaller than the sum of its proper divisors (113489544).

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

65704056 is a wasteful number, since it uses less digits than its factorization.

65704056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248899 (or 248895 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 65704056 is about 8105.8038466274. The cubic root of 65704056 is about 403.5190663068.

The spelling of 65704056 in words is "sixty-five million, seven hundred four thousand, fifty-six".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 248879 497758 746637 995516 1493274 1991032 2737669 2986548 5475338 5973096 8213007 10950676 16426014 21901352 32852028 65704056