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13994271 = 328917471
BaseRepresentation
bin110101011000…
…100100011111
3222022222112100
4311120210133
512040304041
61215540143
7226643424
oct65304437
928288470
1013994271
117999115
12482a653
132b8c945
141c03d4b
1513666b6
hexd5891f

13994271 has 12 divisors (see below), whose sum is σ = 20442240. Its totient is φ = 9224160.

The previous prime is 13994263. The next prime is 13994293. The reversal of 13994271 is 17249931.

It is not a de Polignac number, because 13994271 - 23 = 13994263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13994231) 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 11 ways as a sum of consecutive naturals, for example, 7935 + ... + 9536.

It is an arithmetic number, because the mean of its divisors is an integer number (1703520).

Almost surely, 213994271 is an apocalyptic number.

13994271 is a deficient number, since it is larger than the sum of its proper divisors (6447969).

13994271 is a wasteful number, since it uses less digits than its factorization.

13994271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17566 (or 17563 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 13994271 is about 3740.8917386099. The cubic root of 13994271 is about 240.9813464440.

The spelling of 13994271 in words is "thirteen million, nine hundred ninety-four thousand, two hundred seventy-one".

Divisors: 1 3 9 89 267 801 17471 52413 157239 1554919 4664757 13994271