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13885078 = 236718917
BaseRepresentation
bin110100111101…
…111010010110
3222010102202011
4310331322112
512023310303
61213334434
7226010164
oct64757226
928112664
1013885078
117924079
12479741a
132b5202c
141bb6234
15134416d
hexd3de96

13885078 has 8 divisors (see below), whose sum is σ = 20885472. Its totient is φ = 6923256.

The previous prime is 13885061. The next prime is 13885097. The reversal of 13885078 is 87058831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13885078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8725 + ... + 10192.

It is an arithmetic number, because the mean of its divisors is an integer number (2610684).

Almost surely, 213885078 is an apocalyptic number.

13885078 is a deficient number, since it is larger than the sum of its proper divisors (7000394).

13885078 is a wasteful number, since it uses less digits than its factorization.

13885078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19286.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 13885078 is about 3726.2686430262. The cubic root of 13885078 is about 240.3529413620.

The spelling of 13885078 in words is "thirteen million, eight hundred eighty-five thousand, seventy-eight".

Divisors: 1 2 367 734 18917 37834 6942539 13885078