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13238082 = 232111337139
BaseRepresentation
bin110010011111…
…111101000010
3220220120020100
4302133331002
511342104312
61151423230
7220343664
oct62377502
926816210
1013238082
117521a70
124524b16
1329866b0
141a88534
1512675dc
hexc9ff42

13238082 has 96 divisors (see below), whose sum is σ = 34856640. Its totient is φ = 3576960.

The previous prime is 13238051. The next prime is 13238101. The reversal of 13238082 is 28083231.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95169 + ... + 95307.

It is an arithmetic number, because the mean of its divisors is an integer number (363090).

Almost surely, 213238082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13238082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17428320).

13238082 is an abundant number, since it is smaller than the sum of its proper divisors (21618558).

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

13238082 is a wasteful number, since it uses less digits than its factorization.

13238082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 13238082 is about 3638.4175131505. The cubic root of 13238082 is about 236.5602055943.

The spelling of 13238082 in words is "thirteen million, two hundred thirty-eight thousand, eighty-two".

Divisors: 1 2 3 6 9 11 13 18 22 26 33 37 39 66 74 78 99 111 117 139 143 198 222 234 278 286 333 407 417 429 481 666 814 834 858 962 1221 1251 1287 1443 1529 1807 2442 2502 2574 2886 3058 3614 3663 4329 4587 5143 5291 5421 7326 8658 9174 10286 10582 10842 13761 15429 15873 16263 19877 27522 30858 31746 32526 39754 46287 47619 56573 59631 66859 92574 95238 113146 119262 133718 169719 178893 200577 339438 357786 401154 509157 601731 735449 1018314 1203462 1470898 2206347 4412694 6619041 13238082