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64125492 = 22349910709
BaseRepresentation
bin1111010010011…
…1101000110100
311110122220122020
43310213220310
5112404003432
610210233140
71406025534
oct364475064
9143586566
1064125492
1133219482
12195857b0
13103929a2
1487334c4
15596a22c
hex3d27a34

64125492 has 24 divisors (see below), whose sum is σ = 149940000. Its totient is φ = 21330336.

The previous prime is 64125487. The next prime is 64125493. The reversal of 64125492 is 29452146.

It is a super-2 number, since 2×641254922 = 8224157448484128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64125493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634 + ... + 11342.

It is an arithmetic number, because the mean of its divisors is an integer number (6247500).

Almost surely, 264125492 is an apocalyptic number.

It is an amenable number.

64125492 is an abundant number, since it is smaller than the sum of its proper divisors (85814508).

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

64125492 is a wasteful number, since it uses less digits than its factorization.

64125492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11215 (or 11213 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 64125492 is about 8007.8394089792. The cubic root of 64125492 is about 400.2612709732.

The spelling of 64125492 in words is "sixty-four million, one hundred twenty-five thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 499 998 1497 1996 2994 5988 10709 21418 32127 42836 64254 128508 5343791 10687582 16031373 21375164 32062746 64125492