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13885030 = 251797757
BaseRepresentation
bin110100111101…
…111001100110
3222010102200101
4310331321212
512023310110
61213334314
7226010065
oct64757146
928112611
1013885030
117924035
12479739a
132b51cc3
141bb61dc
15134413a
hexd3de66

13885030 has 16 divisors (see below), whose sum is σ = 25135920. Its totient is φ = 5522272.

The previous prime is 13885009. The next prime is 13885033. The reversal of 13885030 is 3058831.

It is a self number, because there is not a number n which added to its sum of digits gives 13885030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13885033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2089 + ... + 5668.

It is an arithmetic number, because the mean of its divisors is an integer number (1570995).

Almost surely, 213885030 is an apocalyptic number.

13885030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13885030 is a deficient number, since it is larger than the sum of its proper divisors (11250890).

13885030 is a wasteful number, since it uses less digits than its factorization.

13885030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7943.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 13885030 is about 3726.2622022611. The cubic root of 13885030 is about 240.3526643991.

The spelling of 13885030 in words is "thirteen million, eight hundred eighty-five thousand, thirty".

Divisors: 1 2 5 10 179 358 895 1790 7757 15514 38785 77570 1388503 2777006 6942515 13885030