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13682688 = 211317131
BaseRepresentation
bin110100001100…
…100000000000
3221202011010020
4310030200000
512000321223
61205133440
7224205135
oct64144000
927664106
1013682688
1177a6008
1246ba280
132ab0b86
141b6258c
1513041e3
hexd0c800

13682688 has 96 divisors (see below), whose sum is σ = 38918880. Its totient is φ = 4259840.

The previous prime is 13682663. The next prime is 13682689. The reversal of 13682688 is 88628631.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13682689) 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, 104383 + ... + 104513.

It is an arithmetic number, because the mean of its divisors is an integer number (405405).

Almost surely, 213682688 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 13682688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19459440).

13682688 is an abundant number, since it is smaller than the sum of its proper divisors (25236192).

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

13682688 is a wasteful number, since it uses less digits than its factorization.

13682688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 153 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 13682688 is about 3699.0117599164. The cubic root of 13682688 is about 239.1794197869.

The spelling of 13682688 in words is "thirteen million, six hundred eighty-two thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 128 131 136 192 204 256 262 272 384 393 408 512 524 544 768 786 816 1024 1048 1088 1536 1572 1632 2048 2096 2176 2227 3072 3144 3264 4192 4352 4454 6144 6288 6528 6681 8384 8704 8908 12576 13056 13362 16768 17408 17816 25152 26112 26724 33536 34816 35632 50304 52224 53448 67072 71264 100608 104448 106896 134144 142528 201216 213792 268288 285056 402432 427584 570112 804864 855168 1140224 1710336 2280448 3420672 4560896 6841344 13682688