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64262949 = 341212743
BaseRepresentation
bin1111010100100…
…1001100100101
311110220220012020
43311021030211
5112422403244
610213213353
71410140352
oct365111445
9143826166
1064262949
1133302783
1219631259
131041041a
14876b629
155995d19
hex3d49325

64262949 has 12 divisors (see below), whose sum is σ = 87831648. Its totient is φ = 41793760.

The previous prime is 64262923. The next prime is 64262953. The reversal of 64262949 is 94926246.

64262949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64262949 - 25 = 64262917 is a prime.

It is a super-2 number, since 2×642629492 = 8259453228353202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64262949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64262749) 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 11 ways as a sum of consecutive naturals, for example, 1329 + ... + 11414.

It is an arithmetic number, because the mean of its divisors is an integer number (7319304).

Almost surely, 264262949 is an apocalyptic number.

It is an amenable number.

64262949 is a deficient number, since it is larger than the sum of its proper divisors (23568699).

64262949 is a wasteful number, since it uses less digits than its factorization.

64262949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12828 (or 12787 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 64262949 is about 8016.4174666742. The cubic root of 64262949 is about 400.5470618838.

The spelling of 64262949 in words is "sixty-four million, two hundred sixty-two thousand, nine hundred forty-nine".

Divisors: 1 3 41 123 1681 5043 12743 38229 522463 1567389 21420983 64262949