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13444856 = 2319197449
BaseRepresentation
bin110011010010…
…011011111000
3221022001212122
4303102123320
511420213411
61200100412
7222164555
oct63223370
927261778
1013444856
117653357
124604708
132a29849
141adda2c
1512a89db
hexcd26f8

13444856 has 32 divisors (see below), whose sum is σ = 26730000. Its totient is φ = 6322176.

The previous prime is 13444829. The next prime is 13444859. The reversal of 13444856 is 65844431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29720 + ... + 30168.

Almost surely, 213444856 is an apocalyptic number.

It is an amenable number.

13444856 is a deficient number, since it is larger than the sum of its proper divisors (13285144).

13444856 is a wasteful number, since it uses less digits than its factorization.

13444856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 667 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 13444856 is about 3666.7227874493. The cubic root of 13444856 is about 237.7855092707.

The spelling of 13444856 in words is "thirteen million, four hundred forty-four thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 19 38 76 152 197 394 449 788 898 1576 1796 3592 3743 7486 8531 14972 17062 29944 34124 68248 88453 176906 353812 707624 1680607 3361214 6722428 13444856