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13242904 = 235928057
BaseRepresentation
bin110010100001…
…001000011000
3220220210211221
4302201020120
511342233104
61151501424
7220364023
oct62411030
926823757
1013242904
117525654
124527874
13298894c
141a8a1ba
151268c54
hexca1218

13242904 has 16 divisors (see below), whose sum is σ = 25252200. Its totient is φ = 6508992.

The previous prime is 13242869. The next prime is 13242907. The reversal of 13242904 is 40924231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13557 + ... + 14500.

Almost surely, 213242904 is an apocalyptic number.

It is an amenable number.

13242904 is a deficient number, since it is larger than the sum of its proper divisors (12009296).

13242904 is a wasteful number, since it uses less digits than its factorization.

13242904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28122 (or 28118 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 13242904 is about 3639.0801035427. The cubic root of 13242904 is about 236.5889246297.

The spelling of 13242904 in words is "thirteen million, two hundred forty-two thousand, nine hundred four".

Divisors: 1 2 4 8 59 118 236 472 28057 56114 112228 224456 1655363 3310726 6621452 13242904