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13968552 = 2331344771
BaseRepresentation
bin110101010010…
…010010101000
3222021200020210
4311102102220
512033443202
61215221120
7226505433
oct65222250
928250223
1013968552
117980864
1248177a0
132b81020
141bd881a
15135dc6c
hexd524a8

13968552 has 32 divisors (see below), whose sum is σ = 37608480. Its totient is φ = 4297920.

The previous prime is 13968547. The next prime is 13968571. The reversal of 13968552 is 25586931.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 13968552.

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, 22074 + ... + 22697.

It is an arithmetic number, because the mean of its divisors is an integer number (1175265).

Almost surely, 213968552 is an apocalyptic number.

13968552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13968552 is an abundant number, since it is smaller than the sum of its proper divisors (23639928).

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

13968552 is a wasteful number, since it uses less digits than its factorization.

13968552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44793 (or 44789 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 13968552 is about 3737.4526083952. The cubic root of 13968552 is about 240.8336288541.

The spelling of 13968552 in words is "thirteen million, nine hundred sixty-eight thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 44771 89542 134313 179084 268626 358168 537252 582023 1074504 1164046 1746069 2328092 3492138 4656184 6984276 13968552