Base | Representation |
---|---|
bin | 110010110101… |
… | …011001101011 |
3 | 221002000202000 |
4 | 302311121223 |
5 | 11402412211 |
6 | 1153342043 |
7 | 221161053 |
oct | 62653153 |
9 | 27060660 |
10 | 13325931 |
11 | 7581a73 |
12 | 4567923 |
13 | 29b7688 |
14 | 1aac563 |
15 | 1283656 |
hex | cb566b |
13325931 has 16 divisors (see below), whose sum is σ = 20015520. Its totient is φ = 8760960.
The previous prime is 13325929. The next prime is 13325941. The reversal of 13325931 is 13952331.
It is a happy number.
It is not a de Polignac number, because 13325931 - 21 = 13325929 is a prime.
It is a super-2 number, since 2×133259312 = 355160874033522, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 13325895 and 13325904.
It is not an unprimeable number, because it can be changed into a prime (13325911) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1410 + ... + 5351.
It is an arithmetic number, because the mean of its divisors is an integer number (1250970).
Almost surely, 213325931 is an apocalyptic number.
13325931 is a deficient number, since it is larger than the sum of its proper divisors (6689589).
13325931 is an equidigital number, since it uses as much as digits as its factorization.
13325931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6843 (or 6837 counting only the distinct ones).
The product of its digits is 2430, while the sum is 27.
The square root of 13325931 is about 3650.4699697436. The cubic root of 13325931 is about 237.0823299930.
The spelling of 13325931 in words is "thirteen million, three hundred twenty-five thousand, nine hundred thirty-one".
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