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13708736 = 262367139
BaseRepresentation
bin110100010010…
…110111000000
3221210110211222
4310102313000
512002134421
61205454212
7224344106
oct64226700
927713758
1013708736
117813638
124711368
132abc9a2
141b6bc76
15130bcab
hexd12dc0

13708736 has 56 divisors (see below), whose sum is σ = 29016960. Its totient is φ = 6412032.

The previous prime is 13708729. The next prime is 13708741. The reversal of 13708736 is 63780731.

It is a junction number, because it is equal to n+sod(n) for n = 13708696 and 13708705.

It is a congruent number.

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, 98555 + ... + 98693.

It is an arithmetic number, because the mean of its divisors is an integer number (518160).

Almost surely, 213708736 is an apocalyptic number.

13708736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13708736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14508480).

13708736 is an abundant number, since it is smaller than the sum of its proper divisors (15308224).

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

13708736 is a wasteful number, since it uses less digits than its factorization.

13708736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 13708736 is about 3702.5310262036. The cubic root of 13708736 is about 239.3311004172.

The spelling of 13708736 in words is "thirteen million, seven hundred eight thousand, seven hundred thirty-six".

Divisors: 1 2 4 8 16 23 32 46 64 67 92 134 139 184 268 278 368 536 556 736 1072 1112 1472 1541 2144 2224 3082 3197 4288 4448 6164 6394 8896 9313 12328 12788 18626 24656 25576 37252 49312 51152 74504 98624 102304 149008 204608 214199 298016 428398 596032 856796 1713592 3427184 6854368 13708736