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13932628 = 2219717681
BaseRepresentation
bin110101001001…
…100001010100
3222012211222021
4311021201110
512031321003
61214342524
7226265623
oct65114124
928184867
1013932628
117956876
1247baa44
132b6a878
141bc96ba
1513532bd
hexd49854

13932628 has 12 divisors (see below), whose sum is σ = 24507252. Its totient is φ = 6930560.

The previous prime is 13932623. The next prime is 13932631. The reversal of 13932628 is 82623931.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9721924 + 4210704 = 3118^2 + 2052^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13932593 and 13932602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13932623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8053 + ... + 9628.

It is an arithmetic number, because the mean of its divisors is an integer number (2042271).

Almost surely, 213932628 is an apocalyptic number.

It is an amenable number.

13932628 is a deficient number, since it is larger than the sum of its proper divisors (10574624).

13932628 is a wasteful number, since it uses less digits than its factorization.

13932628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17882 (or 17880 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 13932628 is about 3732.6435672322. The cubic root of 13932628 is about 240.6269948224.

The spelling of 13932628 in words is "thirteen million, nine hundred thirty-two thousand, six hundred twenty-eight".

Divisors: 1 2 4 197 394 788 17681 35362 70724 3483157 6966314 13932628