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13230085 = 511415867
BaseRepresentation
bin110010011110…
…000000000101
3220220011021011
4302132000011
511341330320
61151322221
7220311451
oct62360005
926804234
1013230085
117516a60
124520371
132982b6b
141a85661
15126505a
hexc9e005

13230085 has 16 divisors (see below), whose sum is σ = 17744832. Its totient is φ = 9385600.

The previous prime is 13230079. The next prime is 13230109. The reversal of 13230085 is 58003231.

13230085 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13230085 - 211 = 13228037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679 + ... + 5188.

It is an arithmetic number, because the mean of its divisors is an integer number (1109052).

Almost surely, 213230085 is an apocalyptic number.

It is an amenable number.

13230085 is a deficient number, since it is larger than the sum of its proper divisors (4514747).

13230085 is a wasteful number, since it uses less digits than its factorization.

13230085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5924.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 13230085 is about 3637.3183803456. The cubic root of 13230085 is about 236.5125614057.

The spelling of 13230085 in words is "thirteen million, two hundred thirty thousand, eighty-five".

Divisors: 1 5 11 41 55 205 451 2255 5867 29335 64537 240547 322685 1202735 2646017 13230085