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13884968 = 232997617
BaseRepresentation
bin110100111101…
…111000101000
3222010102121002
4310331320220
512023304333
61213334132
7226006646
oct64757050
928112532
1013884968
117923a89
124797348
132b51c76
141bb6196
1513440e8
hexd3de28

13884968 has 32 divisors (see below), whose sum is σ = 27253800. Its totient is φ = 6623232.

The previous prime is 13884967. The next prime is 13885009. The reversal of 13884968 is 86948831.

It can be written as a sum of positive squares in 4 ways, for example, as 7941124 + 5943844 = 2818^2 + 2438^2 .

It is a super-2 number, since 2×138849682 = 385584672722048, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13884967) 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, 22196 + ... + 22812.

Almost surely, 213884968 is an apocalyptic number.

It is an amenable number.

13884968 is a deficient number, since it is larger than the sum of its proper divisors (13368832).

13884968 is a wasteful number, since it uses less digits than its factorization.

13884968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 745 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 13884968 is about 3726.2538829232. The cubic root of 13884968 is about 240.3523066544.

The spelling of 13884968 in words is "thirteen million, eight hundred eighty-four thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 29 58 97 116 194 232 388 617 776 1234 2468 2813 4936 5626 11252 17893 22504 35786 59849 71572 119698 143144 239396 478792 1735621 3471242 6942484 13884968