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14256909 = 321584101
BaseRepresentation
bin110110011000…
…101100001101
3222211022210200
4312120230031
512122210114
61225324113
7232116222
oct66305415
928738720
1014256909
118058477
124936639
132c52354
141c71949
1513b9409
hexd98b0d

14256909 has 6 divisors (see below), whose sum is σ = 20593326. Its totient is φ = 9504600.

The previous prime is 14256901. The next prime is 14256911. The reversal of 14256909 is 90965241.

14256909 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9180900 + 5076009 = 3030^2 + 2253^2 .

It is not a de Polignac number, because 14256909 - 23 = 14256901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14256901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 792042 + ... + 792059.

It is an arithmetic number, because the mean of its divisors is an integer number (3432221).

Almost surely, 214256909 is an apocalyptic number.

It is an amenable number.

14256909 is a deficient number, since it is larger than the sum of its proper divisors (6336417).

14256909 is a wasteful number, since it uses less digits than its factorization.

14256909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584107 (or 1584104 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 14256909 is about 3775.8322261456. The cubic root of 14256909 is about 242.4795547293.

The spelling of 14256909 in words is "fourteen million, two hundred fifty-six thousand, nine hundred nine".

Divisors: 1 3 9 1584101 4752303 14256909