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13791332 = 229773529
BaseRepresentation
bin110100100111…
…000001100100
3221221200011002
4310213001210
512012310312
61211332432
7225136652
oct64470144
927850132
1013791332
11786a6a5
124751118
132b1b469
141b8ddd2
1513264c2
hexd27064

13791332 has 12 divisors (see below), whose sum is σ = 24166380. Its totient is φ = 6886656.

The previous prime is 13791319. The next prime is 13791341. The reversal of 13791332 is 23319731.

It can be written as a sum of positive squares in 2 ways, for example, as 7268416 + 6522916 = 2696^2 + 2554^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13791295 and 13791304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144 + ... + 5672.

It is an arithmetic number, because the mean of its divisors is an integer number (2013865).

Almost surely, 213791332 is an apocalyptic number.

It is an amenable number.

13791332 is a deficient number, since it is larger than the sum of its proper divisors (10375048).

13791332 is a wasteful number, since it uses less digits than its factorization.

13791332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510 (or 4508 counting only the distinct ones).

The product of its digits is 3402, while the sum is 29.

The square root of 13791332 is about 3713.6682673605. The cubic root of 13791332 is about 239.8107999605.

The spelling of 13791332 in words is "thirteen million, seven hundred ninety-one thousand, three hundred thirty-two".

Divisors: 1 2 4 977 1954 3529 3908 7058 14116 3447833 6895666 13791332