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13331885 = 57537187
BaseRepresentation
bin110010110110…
…110110101101
3221002022220112
4302312312231
511403110020
61153425405
7221214320
oct62666655
927068815
1013331885
117586496
12456b265
1329ba2b8
141ab07b7
1512852c5
hexcb6dad

13331885 has 16 divisors (see below), whose sum is σ = 18631296. Its totient is φ = 8968128.

The previous prime is 13331873. The next prime is 13331887. The reversal of 13331885 is 58813331.

It is a cyclic number.

It is not a de Polignac number, because 13331885 - 26 = 13331821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1739 + ... + 5448.

It is an arithmetic number, because the mean of its divisors is an integer number (1164456).

Almost surely, 213331885 is an apocalyptic number.

It is an amenable number.

13331885 is a deficient number, since it is larger than the sum of its proper divisors (5299411).

13331885 is an equidigital number, since it uses as much as digits as its factorization.

13331885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7252.

The product of its digits is 8640, while the sum is 32.

The square root of 13331885 is about 3651.2853901058. The cubic root of 13331885 is about 237.1176340432.

The spelling of 13331885 in words is "thirteen million, three hundred thirty-one thousand, eight hundred eighty-five".

Divisors: 1 5 7 35 53 265 371 1855 7187 35935 50309 251545 380911 1904555 2666377 13331885