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64079393 = 7157199293
BaseRepresentation
bin1111010001110…
…0011000100001
311110120120101212
43310130120201
5112401020033
610205235505
71405444250
oct364343041
9143516355
1064079393
1133197884
1219562b95
1310377a01
148720797
15595b748
hex3d1c621

64079393 has 16 divisors (see below), whose sum is σ = 74323200. Its totient is φ = 54115776.

The previous prime is 64079371. The next prime is 64079401. The reversal of 64079393 is 39397046.

It is a cyclic number.

It is not a de Polignac number, because 64079393 - 214 = 64063009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64079393.

It is not an unprimeable number, because it can be changed into a prime (64079363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218555 + ... + 218847.

It is an arithmetic number, because the mean of its divisors is an integer number (4645200).

Almost surely, 264079393 is an apocalyptic number.

It is an amenable number.

64079393 is a deficient number, since it is larger than the sum of its proper divisors (10243807).

64079393 is a wasteful number, since it uses less digits than its factorization.

64079393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 64079393 is about 8004.9605245747. The cubic root of 64079393 is about 400.1653337358.

The spelling of 64079393 in words is "sixty-four million, seventy-nine thousand, three hundred ninety-three".

Divisors: 1 7 157 199 293 1099 1393 2051 31243 46001 58307 218701 322007 408149 9154199 64079393