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13530860 = 2257213807
BaseRepresentation
bin110011100111…
…011011101100
3221110102211222
4303213123230
511430441420
61202002512
7223003400
oct63473354
927412758
1013530860
117701a32
124646438
132a59a35
141b23100
1512c4225
hexce76ec

13530860 has 36 divisors (see below), whose sum is σ = 33056352. Its totient is φ = 4638816.

The previous prime is 13530857. The next prime is 13530871. The reversal of 13530860 is 6803531.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5924 + ... + 7883.

It is an arithmetic number, because the mean of its divisors is an integer number (918232).

Almost surely, 213530860 is an apocalyptic number.

13530860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13530860 is an abundant number, since it is smaller than the sum of its proper divisors (19525492).

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

13530860 is a wasteful number, since it uses less digits than its factorization.

13530860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13830 (or 13821 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13530860 is about 3678.4317310506. The cubic root of 13530860 is about 238.2914537832.

The spelling of 13530860 in words is "thirteen million, five hundred thirty thousand, eight hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 13807 27614 55228 69035 96649 138070 193298 276140 386596 483245 676543 966490 1353086 1932980 2706172 3382715 6765430 13530860