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64234379 = 1173167479
BaseRepresentation
bin1111010100001…
…0001110001011
311110212110000002
43311002032023
5112421000004
610212433215
71406661146
oct365021613
9143773002
1064234379
1133293270
121961880b
1310400411
14876105d
15598c61e
hex3d4238b

64234379 has 16 divisors (see below), whose sum is σ = 71608320. Its totient is φ = 57130560.

The previous prime is 64234369. The next prime is 64234399. The reversal of 64234379 is 97343246.

64234379 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 64234379 - 24 = 64234363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64234309) 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, 133862 + ... + 134340.

It is an arithmetic number, because the mean of its divisors is an integer number (4475520).

Almost surely, 264234379 is an apocalyptic number.

64234379 is a deficient number, since it is larger than the sum of its proper divisors (7373941).

64234379 is a wasteful number, since it uses less digits than its factorization.

64234379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730.

The product of its digits is 108864, while the sum is 38.

The square root of 64234379 is about 8014.6353004987. The cubic root of 64234379 is about 400.4876947263.

The spelling of 64234379 in words is "sixty-four million, two hundred thirty-four thousand, three hundred seventy-nine".

Divisors: 1 11 73 167 479 803 1837 5269 12191 34967 79993 134101 384637 879923 5839489 64234379