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13930824 = 2332325237
BaseRepresentation
bin110101001001…
…000101001000
3222012202111110
4311021011020
512031241244
61214330320
7226260435
oct65110510
928182443
1013930824
117955486
1247b99a0
132b69abb
141bc8b8c
1513529b9
hexd49148

13930824 has 32 divisors (see below), whose sum is σ = 36342720. Its totient is φ = 4441536.

The previous prime is 13930823. The next prime is 13930843. The reversal of 13930824 is 42803931.

It is a junction number, because it is equal to n+sod(n) for n = 13930791 and 13930800.

It is not an unprimeable number, because it can be changed into a prime (13930823) 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, 12067 + ... + 13170.

It is an arithmetic number, because the mean of its divisors is an integer number (1135710).

Almost surely, 213930824 is an apocalyptic number.

It is an amenable number.

13930824 is an abundant number, since it is smaller than the sum of its proper divisors (22411896).

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

13930824 is a wasteful number, since it uses less digits than its factorization.

13930824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25269 (or 25265 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 13930824 is about 3732.4019076193. The cubic root of 13930824 is about 240.6166088939.

The spelling of 13930824 in words is "thirteen million, nine hundred thirty thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 25237 50474 75711 100948 151422 201896 302844 580451 605688 1160902 1741353 2321804 3482706 4643608 6965412 13930824