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13872755 = 5131947239
BaseRepresentation
bin110100111010…
…111001110011
3222002210211202
4310322321303
512022412010
61213201415
7225626231
oct64727163
928083752
1013872755
117915896
12479026b
132b49540
141bb1951
1513406a5
hexd3ae73

13872755 has 32 divisors (see below), whose sum is σ = 19353600. Its totient is φ = 9459072.

The previous prime is 13872739. The next prime is 13872763. The reversal of 13872755 is 55727831.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13872755 - 24 = 13872739 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57926 + ... + 58164.

It is an arithmetic number, because the mean of its divisors is an integer number (604800).

Almost surely, 213872755 is an apocalyptic number.

13872755 is a deficient number, since it is larger than the sum of its proper divisors (5480845).

13872755 is a wasteful number, since it uses less digits than its factorization.

13872755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323.

The product of its digits is 58800, while the sum is 38.

The square root of 13872755 is about 3724.6147451784. The cubic root of 13872755 is about 240.2818159436.

The spelling of 13872755 in words is "thirteen million, eight hundred seventy-two thousand, seven hundred fifty-five".

Divisors: 1 5 13 19 47 65 95 235 239 247 611 893 1195 1235 3055 3107 4465 4541 11233 11609 15535 22705 56165 58045 59033 146029 213427 295165 730145 1067135 2774551 13872755