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14254681 = 779149173
BaseRepresentation
bin110110011000…
…001001011001
3222211012202011
4312120021121
512122122211
61225305521
7232106560
oct66301131
928735664
1014254681
118056831
1249352a1
132c5132c
141c70bd7
1513b8921
hexd98259

14254681 has 16 divisors (see below), whose sum is σ = 16704000. Its totient is φ = 11913408.

The previous prime is 14254679. The next prime is 14254703. The reversal of 14254681 is 18645241.

It is a cyclic number.

It is not a de Polignac number, because 14254681 - 21 = 14254679 is a prime.

It is a super-2 number, since 2×142546812 = 406391860823522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14254601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82311 + ... + 82483.

It is an arithmetic number, because the mean of its divisors is an integer number (1044000).

Almost surely, 214254681 is an apocalyptic number.

It is an amenable number.

14254681 is a deficient number, since it is larger than the sum of its proper divisors (2449319).

14254681 is a wasteful number, since it uses less digits than its factorization.

14254681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its digits is 7680, while the sum is 31.

The square root of 14254681 is about 3775.5371803228. The cubic root of 14254681 is about 242.4669228984.

The spelling of 14254681 in words is "fourteen million, two hundred fifty-four thousand, six hundred eighty-one".

Divisors: 1 7 79 149 173 553 1043 1211 11771 13667 25777 82397 95669 180439 2036383 14254681