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13838424 = 233836947
BaseRepresentation
bin110100110010…
…100001011000
3222001001202020
4310302201120
512020312144
61212334440
7225424155
oct64624130
928031666
1013838424
1178a2016
124774420
132b36a22
141ba322c
151335419
hexd32858

13838424 has 32 divisors (see below), whose sum is σ = 35017920. Its totient is φ = 4556576.

The previous prime is 13838413. The next prime is 13838437. The reversal of 13838424 is 42483831.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 1482 + ... + 5465.

It is an arithmetic number, because the mean of its divisors is an integer number (1094310).

Almost surely, 213838424 is an apocalyptic number.

It is an amenable number.

13838424 is an abundant number, since it is smaller than the sum of its proper divisors (21179496).

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

13838424 is a wasteful number, since it uses less digits than its factorization.

13838424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7039 (or 7035 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 13838424 is about 3720.0032258051. The cubic root of 13838424 is about 240.0834432073.

The spelling of 13838424 in words is "thirteen million, eight hundred thirty-eight thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 83 166 249 332 498 664 996 1992 6947 13894 20841 27788 41682 55576 83364 166728 576601 1153202 1729803 2306404 3459606 4612808 6919212 13838424