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13369928 = 23111322931
BaseRepresentation
bin110011000000…
…001001001000
3221011021002112
4303000021020
511410314203
61154321452
7221433245
oct63001110
927137075
1013369928
117602030
124589288
132a01700
141ac05cc
1512916d8
hexcc0248

13369928 has 96 divisors (see below), whose sum is σ = 31622400. Its totient is φ = 5241600.

The previous prime is 13369921. The next prime is 13369933. The reversal of 13369928 is 82996331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13369921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431273 + ... + 431303.

It is an arithmetic number, because the mean of its divisors is an integer number (329400).

Almost surely, 213369928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13369928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15811200).

13369928 is an abundant number, since it is smaller than the sum of its proper divisors (18252472).

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

13369928 is a wasteful number, since it uses less digits than its factorization.

13369928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 86 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 13369928 is about 3656.4912142654. The cubic root of 13369928 is about 237.3429610060.

The spelling of 13369928 in words is "thirteen million, three hundred sixty-nine thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 11 13 22 26 29 31 44 52 58 62 88 104 116 124 143 169 232 248 286 319 338 341 377 403 572 638 676 682 754 806 899 1144 1276 1352 1364 1508 1612 1798 1859 2552 2728 3016 3224 3596 3718 4147 4433 4901 5239 7192 7436 8294 8866 9802 9889 10478 11687 14872 16588 17732 19604 19778 20956 23374 33176 35464 39208 39556 41912 46748 53911 57629 79112 93496 107822 115258 128557 151931 215644 230516 257114 303862 431288 461032 514228 607724 1028456 1215448 1671241 3342482 6684964 13369928