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13828512 = 253283509
BaseRepresentation
bin110100110000…
…000110100000
3222000120011010
4310300012200
512020003022
61212220520
7225353235
oct64600640
928016133
1013828512
117895625
12476a740
132b32369
141b9d78c
15133250c
hexd301a0

13828512 has 48 divisors (see below), whose sum is σ = 36499680. Its totient is φ = 4584192.

The previous prime is 13828487. The next prime is 13828513. The reversal of 13828512 is 21582831.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 13828512.

It is not an unprimeable number, because it can be changed into a prime (13828513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26914 + ... + 27422.

It is an arithmetic number, because the mean of its divisors is an integer number (760410).

Almost surely, 213828512 is an apocalyptic number.

13828512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13828512 is an abundant number, since it is smaller than the sum of its proper divisors (22671168).

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

13828512 is a wasteful number, since it uses less digits than its factorization.

13828512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 797 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 13828512 is about 3718.6707302476. The cubic root of 13828512 is about 240.0261082708.

The spelling of 13828512 in words is "thirteen million, eight hundred twenty-eight thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 283 509 566 849 1018 1132 1527 1698 2036 2264 3054 3396 4072 4528 6108 6792 8144 9056 12216 13584 16288 24432 27168 48864 144047 288094 432141 576188 864282 1152376 1728564 2304752 3457128 4609504 6914256 13828512