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13490912 = 251922189
BaseRepresentation
bin110011011101…
…101011100000
3221101102001102
4303131223200
511423202122
61201053532
7222446051
oct63355340
927342042
1013490912
117684a16
1246272a8
132a447b6
141b12728
1512b7492
hexcddae0

13490912 has 24 divisors (see below), whose sum is σ = 27959400. Its totient is φ = 6390144.

The previous prime is 13490879. The next prime is 13490947. The reversal of 13490912 is 21909431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10487 + ... + 11702.

It is an arithmetic number, because the mean of its divisors is an integer number (1164975).

Almost surely, 213490912 is an apocalyptic number.

It is an amenable number.

13490912 is an abundant number, since it is smaller than the sum of its proper divisors (14468488).

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

13490912 is a wasteful number, since it uses less digits than its factorization.

13490912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22218 (or 22210 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 13490912 is about 3672.9976858147. The cubic root of 13490912 is about 238.0567150576.

The spelling of 13490912 in words is "thirteen million, four hundred ninety thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 22189 44378 88756 177512 355024 421591 710048 843182 1686364 3372728 6745456 13490912