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13889562 = 2323100649
BaseRepresentation
bin110100111111…
…000000011010
3222010122220020
4310333000122
512023431222
61213411310
7226026231
oct64770032
928118806
1013889562
117927485
124799b36
132b5409b
141bb7b18
15134565c
hexd3f01a

13889562 has 16 divisors (see below), whose sum is σ = 28987200. Its totient is φ = 4428512.

The previous prime is 13889531. The next prime is 13889567. The reversal of 13889562 is 26598831.

13889562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13889567) 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, 50187 + ... + 50462.

It is an arithmetic number, because the mean of its divisors is an integer number (1811700).

Almost surely, 213889562 is an apocalyptic number.

13889562 is an abundant number, since it is smaller than the sum of its proper divisors (15097638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13889562 is a wasteful number, since it uses less digits than its factorization.

13889562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100677.

The product of its digits is 103680, while the sum is 42.

The square root of 13889562 is about 3726.8702687376. The cubic root of 13889562 is about 240.3788114987.

The spelling of 13889562 in words is "thirteen million, eight hundred eighty-nine thousand, five hundred sixty-two".

Divisors: 1 2 3 6 23 46 69 138 100649 201298 301947 603894 2314927 4629854 6944781 13889562