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13731088 = 247122599
BaseRepresentation
bin110100011000…
…010100010000
3221211121111211
4310120110100
512003343323
61210145504
7224466220
oct64302420
927747454
1013731088
117829408
124722294
132ac9c07
141b76080
15131370d
hexd18510

13731088 has 20 divisors (see below), whose sum is σ = 30404800. Its totient is φ = 5884704.

The previous prime is 13731083. The next prime is 13731089. The reversal of 13731088 is 88013731.

It is not an unprimeable number, because it can be changed into a prime (13731083) 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, 61188 + ... + 61411.

It is an arithmetic number, because the mean of its divisors is an integer number (1520240).

Almost surely, 213731088 is an apocalyptic number.

It is an amenable number.

13731088 is an abundant number, since it is smaller than the sum of its proper divisors (16673712).

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

13731088 is a wasteful number, since it uses less digits than its factorization.

13731088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122614 (or 122608 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 13731088 is about 3705.5482725232. The cubic root of 13731088 is about 239.4611056910.

The spelling of 13731088 in words is "thirteen million, seven hundred thirty-one thousand, eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 122599 245198 490396 858193 980792 1716386 1961584 3432772 6865544 13731088