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64907412 = 2235408951
BaseRepresentation
bin1111011110011…
…0100010010100
311112010122020020
43313212202110
5113104014122
610235105140
71415463303
oct367464224
9145118206
1064907412
1133702999
12198a21b0
13105a786b
14889843a
155a71c5c
hex3de6894

64907412 has 12 divisors (see below), whose sum is σ = 151450656. Its totient is φ = 21635800.

The previous prime is 64907383. The next prime is 64907413. The reversal of 64907412 is 21470946.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64907413) 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, 2704464 + ... + 2704487.

It is an arithmetic number, because the mean of its divisors is an integer number (12620888).

Almost surely, 264907412 is an apocalyptic number.

It is an amenable number.

64907412 is an abundant number, since it is smaller than the sum of its proper divisors (86543244).

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

64907412 is a wasteful number, since it uses less digits than its factorization.

64907412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408958 (or 5408956 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 64907412 is about 8056.5136380447. The cubic root of 64907412 is about 401.8815769591.

The spelling of 64907412 in words is "sixty-four million, nine hundred seven thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 5408951 10817902 16226853 21635804 32453706 64907412