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13937864 = 232960077
BaseRepresentation
bin110101001010…
…110011001000
3222020010011012
4311022303020
512032002424
61214423052
7226320113
oct65126310
928203135
1013937864
11795a7a6
124801a88
132b70075
141bcb57a
151354b0e
hexd4acc8

13937864 has 16 divisors (see below), whose sum is σ = 27035100. Its totient is φ = 6728512.

The previous prime is 13937851. The next prime is 13937921. The reversal of 13937864 is 46873931.

It can be written as a sum of positive squares in 2 ways, for example, as 13912900 + 24964 = 3730^2 + 158^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29807 + ... + 30270.

Almost surely, 213937864 is an apocalyptic number.

It is an amenable number.

13937864 is a deficient number, since it is larger than the sum of its proper divisors (13097236).

13937864 is a wasteful number, since it uses less digits than its factorization.

13937864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60112 (or 60108 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 13937864 is about 3733.3448809345. The cubic root of 13937864 is about 240.6571342703.

The spelling of 13937864 in words is "thirteen million, nine hundred thirty-seven thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 29 58 116 232 60077 120154 240308 480616 1742233 3484466 6968932 13937864