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13357938 = 2311202393
BaseRepresentation
bin110010111101…
…001101110010
3221010122122110
4302331031302
511404423223
61154150150
7221353266
oct62751562
927118573
1013357938
1175a4020
124582356
1329c9109
141aba0a6
15128cd93
hexcbd372

13357938 has 16 divisors (see below), whose sum is σ = 29144736. Its totient is φ = 4047840.

The previous prime is 13357889. The next prime is 13357973. The reversal of 13357938 is 83975331.

It is a super-2 number, since 2×133579382 = 356869015223688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13357896 and 13357905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101131 + ... + 101262.

It is an arithmetic number, because the mean of its divisors is an integer number (1821546).

Almost surely, 213357938 is an apocalyptic number.

13357938 is an abundant number, since it is smaller than the sum of its proper divisors (15786798).

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

13357938 is a wasteful number, since it uses less digits than its factorization.

13357938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202409.

The product of its digits is 68040, while the sum is 39.

The square root of 13357938 is about 3654.8512965646. The cubic root of 13357938 is about 237.2719909603.

The spelling of 13357938 in words is "thirteen million, three hundred fifty-seven thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 11 22 33 66 202393 404786 607179 1214358 2226323 4452646 6678969 13357938