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64875072 = 263337891
BaseRepresentation
bin1111011101111…
…0101001000000
311112001222212110
43313132221000
5113102000242
610234255320
71415300103
oct367365100
9145058773
1064875072
1133690669
1219887540
1310595c22
14888a73a
155a6739c
hex3ddea40

64875072 has 28 divisors (see below), whose sum is σ = 171649136. Its totient is φ = 21624960.

The previous prime is 64875071. The next prime is 64875073. The reversal of 64875072 is 27057846.

It is an interprime number because it is at equal distance from previous prime (64875071) and next prime (64875073).

It is a self number, because there is not a number n which added to its sum of digits gives 64875072.

It is not an unprimeable number, because it can be changed into a prime (64875071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168754 + ... + 169137.

Almost surely, 264875072 is an apocalyptic number.

It is an amenable number.

64875072 is an abundant number, since it is smaller than the sum of its proper divisors (106774064).

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

64875072 is a wasteful number, since it uses less digits than its factorization.

64875072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337906 (or 337896 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 64875072 is about 8054.5063163424. The cubic root of 64875072 is about 401.8148202824.

The spelling of 64875072 in words is "sixty-four million, eight hundred seventy-five thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 337891 675782 1013673 1351564 2027346 2703128 4054692 5406256 8109384 10812512 16218768 21625024 32437536 64875072