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64293163 = 11311671129
BaseRepresentation
bin1111010101000…
…0100100101011
311110222102122021
43311100210223
5112424340123
610214005311
71410324424
oct365204453
9143872567
1064293163
1133323450
1219646837
13104210bc
14877864b
15599ec5d
hex3d5092b

64293163 has 16 divisors (see below), whose sum is σ = 72898560. Its totient is φ = 56174400.

The previous prime is 64293157. The next prime is 64293179. The reversal of 64293163 is 36139246.

It is a happy number.

64293163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 64293163 - 29 = 64292651 is a prime.

It is a super-2 number, since 2×642931632 = 8267221617089138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64293113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56383 + ... + 57511.

It is an arithmetic number, because the mean of its divisors is an integer number (4556160).

Almost surely, 264293163 is an apocalyptic number.

64293163 is a deficient number, since it is larger than the sum of its proper divisors (8605397).

64293163 is a wasteful number, since it uses less digits than its factorization.

64293163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338.

The product of its digits is 23328, while the sum is 34.

The square root of 64293163 is about 8018.3017528651. The cubic root of 64293163 is about 400.6098260580.

The spelling of 64293163 in words is "sixty-four million, two hundred ninety-three thousand, one hundred sixty-three".

Divisors: 1 11 31 167 341 1129 1837 5177 12419 34999 56947 188543 384989 2073973 5844833 64293163