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65136896 = 281123131
BaseRepresentation
bin1111100001111…
…0100100000000
311112120022000122
43320132210000
5113133340041
610244035412
71420440326
oct370364400
9145508018
1065136896
113384a350
1219992b68
1310658156
148917d16
155ab9c4b
hex3e1e900

65136896 has 36 divisors (see below), whose sum is σ = 141845424. Its totient is φ = 29606400.

The previous prime is 65136889. The next prime is 65136901. The reversal of 65136896 is 69863156.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8750 + ... + 14381.

Almost surely, 265136896 is an apocalyptic number.

It is an amenable number.

65136896 is an abundant number, since it is smaller than the sum of its proper divisors (76708528).

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

65136896 is a wasteful number, since it uses less digits than its factorization.

65136896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23158 (or 23144 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 65136896 is about 8070.7432123690. The cubic root of 65136896 is about 402.3546452498.

The spelling of 65136896 in words is "sixty-five million, one hundred thirty-six thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 704 1408 2816 23131 46262 92524 185048 254441 370096 508882 740192 1017764 1480384 2035528 2960768 4071056 5921536 8142112 16284224 32568448 65136896