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13985544 = 233582731
BaseRepresentation
bin110101010110…
…011100001000
3222022112120010
4311112130020
512040014134
61215431520
7226606116
oct65263410
928275503
1013985544
117992601
1248255a0
132b88991
141c00ab6
151363ce9
hexd56708

13985544 has 16 divisors (see below), whose sum is σ = 34963920. Its totient is φ = 4661840.

The previous prime is 13985533. The next prime is 13985561. The reversal of 13985544 is 44558931.

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, 291342 + ... + 291389.

It is an arithmetic number, because the mean of its divisors is an integer number (2185245).

Almost surely, 213985544 is an apocalyptic number.

It is an amenable number.

13985544 is an abundant number, since it is smaller than the sum of its proper divisors (20978376).

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

13985544 is a wasteful number, since it uses less digits than its factorization.

13985544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582740 (or 582736 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 13985544 is about 3739.7251235886. The cubic root of 13985544 is about 240.9312430475.

The spelling of 13985544 in words is "thirteen million, nine hundred eighty-five thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 582731 1165462 1748193 2330924 3496386 4661848 6992772 13985544