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64113078 = 2310685513
BaseRepresentation
bin1111010010010…
…0100110110110
311110122021121110
43310210212312
5112403104303
610210055450
71405644411
oct364444666
9143567543
1064113078
1133210117
121957a586
131038a143
14872cb78
155966703
hex3d249b6

64113078 has 8 divisors (see below), whose sum is σ = 128226168. Its totient is φ = 21371024.

The previous prime is 64113073. The next prime is 64113089. The reversal of 64113078 is 87031146.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

64113078 is an admirable number.

It is a super-2 number, since 2×641130782 = 8220973541268168, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64113073) 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, 5342751 + ... + 5342762.

It is an arithmetic number, because the mean of its divisors is an integer number (16028271).

Almost surely, 264113078 is an apocalyptic number.

64113078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64113078 is a wasteful number, since it uses less digits than its factorization.

64113078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10685518.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 64113078 is about 8007.0642560179. The cubic root of 64113078 is about 400.2354405588.

The spelling of 64113078 in words is "sixty-four million, one hundred thirteen thousand, seventy-eight".

Divisors: 1 2 3 6 10685513 21371026 32056539 64113078