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13890498 = 2312718229
BaseRepresentation
bin110100111111…
…001111000010
3222010201011220
4310333033002
512023443443
61213415510
7226032036
oct64771702
928121156
1013890498
117928156
12479a596
132b5463b
141bb81c6
151345a83
hexd3f3c2

13890498 has 16 divisors (see below), whose sum is σ = 28001280. Its totient is φ = 4593456.

The previous prime is 13890469. The next prime is 13890509. The reversal of 13890498 is 89409831.

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, 8353 + ... + 9876.

It is an arithmetic number, because the mean of its divisors is an integer number (1750080).

Almost surely, 213890498 is an apocalyptic number.

13890498 is an abundant number, since it is smaller than the sum of its proper divisors (14110782).

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

13890498 is a wasteful number, since it uses less digits than its factorization.

13890498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18361.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 13890498 is about 3726.9958411568. The cubic root of 13890498 is about 240.3842109853.

The spelling of 13890498 in words is "thirteen million, eight hundred ninety thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 127 254 381 762 18229 36458 54687 109374 2315083 4630166 6945249 13890498