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13669924 = 2210613221
BaseRepresentation
bin110100001001…
…011000100100
3221201111121111
4310021120210
511444414144
61204554404
7224123002
oct64113044
927644544
1013669924
117797464
1246b2a04
132aa8118
141b5ba72
151300534
hexd09624

13669924 has 12 divisors (see below), whose sum is σ = 23952348. Its totient is φ = 6826400.

The previous prime is 13669897. The next prime is 13669927. The reversal of 13669924 is 42996631.

It can be written as a sum of positive squares in 2 ways, for example, as 9796900 + 3873024 = 3130^2 + 1968^2 .

It is not an unprimeable number, because it can be changed into a prime (13669927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2634 + ... + 5854.

It is an arithmetic number, because the mean of its divisors is an integer number (1996029).

Almost surely, 213669924 is an apocalyptic number.

It is an amenable number.

13669924 is a deficient number, since it is larger than the sum of its proper divisors (10282424).

13669924 is a wasteful number, since it uses less digits than its factorization.

13669924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286 (or 4284 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 13669924 is about 3697.2860316724. The cubic root of 13669924 is about 239.1050231988.

The spelling of 13669924 in words is "thirteen million, six hundred sixty-nine thousand, nine hundred twenty-four".

Divisors: 1 2 4 1061 2122 3221 4244 6442 12884 3417481 6834962 13669924