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13730532 = 2231144211
BaseRepresentation
bin110100011000…
…001011100100
3221211120202020
4310120023210
512003334112
61210143140
7224464464
oct64301344
927746666
1013730532
117828a52
124721ab0
132ac989a
141b75ba4
15131348c
hexd182e4

13730532 has 12 divisors (see below), whose sum is σ = 32037936. Its totient is φ = 4576840.

The previous prime is 13730513. The next prime is 13730537. The reversal of 13730532 is 23503731.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (13730537) 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, 572094 + ... + 572117.

It is an arithmetic number, because the mean of its divisors is an integer number (2669828).

Almost surely, 213730532 is an apocalyptic number.

13730532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13730532 is an abundant number, since it is smaller than the sum of its proper divisors (18307404).

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

13730532 is a wasteful number, since it uses less digits than its factorization.

13730532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144218 (or 1144216 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 13730532 is about 3705.4732491276. The cubic root of 13730532 is about 239.4578735564.

The spelling of 13730532 in words is "thirteen million, seven hundred thirty thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 1144211 2288422 3432633 4576844 6865266 13730532