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13159390 = 2510691231
BaseRepresentation
bin110010001100…
…101111011110
3220202120021211
4302030233132
511332100030
61150015034
7216565366
oct62145736
926676254
1013159390
117478932
1244a747a
13295992a
141a679a6
15124e12a
hexc8cbde

13159390 has 16 divisors (see below), whose sum is σ = 23728320. Its totient is φ = 5254560.

The previous prime is 13159379. The next prime is 13159409. The reversal of 13159390 is 9395131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10075 + ... + 11305.

It is an arithmetic number, because the mean of its divisors is an integer number (1483020).

Almost surely, 213159390 is an apocalyptic number.

13159390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13159390 is a deficient number, since it is larger than the sum of its proper divisors (10568930).

13159390 is a wasteful number, since it uses less digits than its factorization.

13159390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307.

The product of its (nonzero) digits is 3645, while the sum is 31.

The square root of 13159390 is about 3627.5873524975. The cubic root of 13159390 is about 236.0905402865.

The spelling of 13159390 in words is "thirteen million, one hundred fifty-nine thousand, three hundred ninety".

Divisors: 1 2 5 10 1069 1231 2138 2462 5345 6155 10690 12310 1315939 2631878 6579695 13159390