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13825860 = 2235230431
BaseRepresentation
bin110100101111…
…011101000100
3222000102111220
4310233131010
512014411420
61212200340
7225342426
oct64573504
928012456
1013825860
117893634
1247690b0
132b310a9
141b9c816
151331840
hexd2f744

13825860 has 24 divisors (see below), whose sum is σ = 38712576. Its totient is φ = 3686880.

The previous prime is 13825853. The next prime is 13825873. The reversal of 13825860 is 6852831.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 115156 + ... + 115275.

It is an arithmetic number, because the mean of its divisors is an integer number (1613024).

Almost surely, 213825860 is an apocalyptic number.

13825860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13825860 is an abundant number, since it is smaller than the sum of its proper divisors (24886716).

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

13825860 is a wasteful number, since it uses less digits than its factorization.

13825860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230443 (or 230441 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 13825860 is about 3718.3141341205. The cubic root of 13825860 is about 240.0107634062.

The spelling of 13825860 in words is "thirteen million, eight hundred twenty-five thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 230431 460862 691293 921724 1152155 1382586 2304310 2765172 3456465 4608620 6912930 13825860