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13335985 = 5131991031
BaseRepresentation
bin110010110111…
…110110110001
3221002112112101
4302313312301
511403222420
61153500401
7221232265
oct62676661
927075471
1013335985
117589583
124571701
1329bc120
141ab20a5
15128660a
hexcb7db1

13335985 has 16 divisors (see below), whose sum is σ = 17337600. Its totient is φ = 9789120.

The previous prime is 13335943. The next prime is 13335989. The reversal of 13335985 is 58953331.

It is not a de Polignac number, because 13335985 - 27 = 13335857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13335989) 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, 12420 + ... + 13450.

It is an arithmetic number, because the mean of its divisors is an integer number (1083600).

Almost surely, 213335985 is an apocalyptic number.

It is an amenable number.

13335985 is a deficient number, since it is larger than the sum of its proper divisors (4001615).

13335985 is a wasteful number, since it uses less digits than its factorization.

13335985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248.

The product of its digits is 48600, while the sum is 37.

The square root of 13335985 is about 3651.8467930624. The cubic root of 13335985 is about 237.1419387497.

The spelling of 13335985 in words is "thirteen million, three hundred thirty-five thousand, nine hundred eighty-five".

Divisors: 1 5 13 65 199 995 1031 2587 5155 12935 13403 67015 205169 1025845 2667197 13335985