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13992558 = 232924759
BaseRepresentation
bin110101011000…
…001001101110
3222022220011220
4311120021232
512040230213
61215524210
7226635426
oct65301156
928286156
1013992558
1179978a8
124829666
132b8bc28
141c03486
151365e23
hexd5826e

13992558 has 48 divisors (see below), whose sum is σ = 30101760. Its totient is φ = 4332832.

The previous prime is 13992557. The next prime is 13992571. The reversal of 13992558 is 85529931.

13992558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13992551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237133 + ... + 237191.

It is an arithmetic number, because the mean of its divisors is an integer number (627120).

Almost surely, 213992558 is an apocalyptic number.

13992558 is an abundant number, since it is smaller than the sum of its proper divisors (16109202).

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

13992558 is a wasteful number, since it uses less digits than its factorization.

13992558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 140 counting only the distinct ones).

The product of its digits is 97200, while the sum is 42.

The square root of 13992558 is about 3740.6627754985. The cubic root of 13992558 is about 240.9715134227.

The spelling of 13992558 in words is "thirteen million, nine hundred ninety-two thousand, five hundred fifty-eight".

Divisors: 1 2 3 6 29 47 58 59 87 94 118 141 174 177 282 354 841 1363 1682 1711 2523 2726 2773 3422 4089 5046 5133 5546 8178 8319 10266 16638 39527 49619 79054 80417 99238 118581 148857 160834 237162 241251 297714 482502 2332093 4664186 6996279 13992558