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13968275 = 52558731
BaseRepresentation
bin110101010010…
…001110010011
3222021122212112
4311102032103
512033441100
61215215535
7226504556
oct65221623
928248775
1013968275
117980632
1248175ab
132b80b69
141bd869d
15135db35
hexd52393

13968275 has 6 divisors (see below), whose sum is σ = 17320692. Its totient is φ = 11174600.

The previous prime is 13968239. The next prime is 13968281. The reversal of 13968275 is 57286931.

13968275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-13968275 is a prime.

It is a super-2 number, since 2×139682752 = 390225412951250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 279341 + ... + 279390.

It is an arithmetic number, because the mean of its divisors is an integer number (2886782).

Almost surely, 213968275 is an apocalyptic number.

13968275 is a deficient number, since it is larger than the sum of its proper divisors (3352417).

13968275 is an equidigital number, since it uses as much as digits as its factorization.

13968275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558741 (or 558736 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 13968275 is about 3737.4155508854. The cubic root of 13968275 is about 240.8320369125.

The spelling of 13968275 in words is "thirteen million, nine hundred sixty-eight thousand, two hundred seventy-five".

Divisors: 1 5 25 558731 2793655 13968275