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14874640 = 2451116903
BaseRepresentation
bin111000101111…
…100000010000
31000222201011121
4320233200100
512301442030
61250452024
7240301204
oct70574020
930881147
1014874640
11843a5a0
124b94014
13310a581
141d92b04
15148c47a
hexe2f810

14874640 has 40 divisors (see below), whose sum is σ = 37729728. Its totient is φ = 5408640.

The previous prime is 14874617. The next prime is 14874647. The reversal of 14874640 is 4647841.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 14874596 and 14874605.

It is not an unprimeable number, because it can be changed into a prime (14874647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7572 + ... + 9331.

Almost surely, 214874640 is an apocalyptic number.

14874640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14874640 is an abundant number, since it is smaller than the sum of its proper divisors (22855088).

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

14874640 is a wasteful number, since it uses less digits than its factorization.

14874640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16927 (or 16921 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 14874640 is about 3856.7654841849. The cubic root of 14874640 is about 245.9322526996.

The spelling of 14874640 in words is "fourteen million, eight hundred seventy-four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 16903 33806 67612 84515 135224 169030 185933 270448 338060 371866 676120 743732 929665 1352240 1487464 1859330 2974928 3718660 7437320 14874640