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64534134 = 2371536527
BaseRepresentation
bin1111011000101…
…1011001110110
311111102200012010
43312023121312
5113010043014
610223105050
71412350110
oct366133166
9144380163
1064534134
11334784a5
1219742186
13104a69a2
1487dc3b0
1559eb359
hex3d8b676

64534134 has 16 divisors (see below), whose sum is σ = 147506688. Its totient is φ = 18438312.

The previous prime is 64534111. The next prime is 64534147. The reversal of 64534134 is 43143546.

It is a super-2 number, since 2×645341342 = 8329308902259912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768222 + ... + 768305.

It is an arithmetic number, because the mean of its divisors is an integer number (9219168).

Almost surely, 264534134 is an apocalyptic number.

64534134 is an abundant number, since it is smaller than the sum of its proper divisors (82972554).

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

64534134 is a wasteful number, since it uses less digits than its factorization.

64534134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536539.

The product of its digits is 17280, while the sum is 30.

The square root of 64534134 is about 8033.3140110418. The cubic root of 64534134 is about 401.1096977470.

The spelling of 64534134 in words is "sixty-four million, five hundred thirty-four thousand, one hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 1536527 3073054 4609581 9219162 10755689 21511378 32267067 64534134