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13789072 = 241178347
BaseRepresentation
bin110100100110…
…011110010000
3221221120001101
4310212132100
512012222242
61211314144
7225130243
oct64463620
927846041
1013789072
117868a30
12474b954
132b1a41b
141b8d25a
1513259b7
hexd26790

13789072 has 20 divisors (see below), whose sum is σ = 29145456. Its totient is φ = 6267680.

The previous prime is 13789033. The next prime is 13789093. The reversal of 13789072 is 27098731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38998 + ... + 39349.

Almost surely, 213789072 is an apocalyptic number.

It is an amenable number.

13789072 is an abundant number, since it is smaller than the sum of its proper divisors (15356384).

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

13789072 is a wasteful number, since it uses less digits than its factorization.

13789072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78366 (or 78360 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 13789072 is about 3713.3639735420. The cubic root of 13789072 is about 239.7976998961.

The spelling of 13789072 in words is "thirteen million, seven hundred eighty-nine thousand, seventy-two".

Divisors: 1 2 4 8 11 16 22 44 88 176 78347 156694 313388 626776 861817 1253552 1723634 3447268 6894536 13789072