Base | Representation |
---|---|
bin | 110010100001… |
… | …111000000101 |
3 | 220220222001000 |
4 | 302201320011 |
5 | 11342332312 |
6 | 1151523513 |
7 | 220405644 |
oct | 62417005 |
9 | 26828030 |
10 | 13245957 |
11 | 752797a |
12 | 4529599 |
13 | 298a15a |
14 | 1a8b35b |
15 | 1269adc |
hex | ca1e05 |
13245957 has 8 divisors (see below), whose sum is σ = 19623680. Its totient is φ = 8830620.
The previous prime is 13245943. The next prime is 13245961. The reversal of 13245957 is 75954231.
It is not a de Polignac number, because 13245957 - 216 = 13180421 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13245917) 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, 245269 + ... + 245322.
It is an arithmetic number, because the mean of its divisors is an integer number (2452960).
Almost surely, 213245957 is an apocalyptic number.
It is an amenable number.
13245957 is a deficient number, since it is larger than the sum of its proper divisors (6377723).
13245957 is an equidigital number, since it uses as much as digits as its factorization.
13245957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 490600 (or 490594 counting only the distinct ones).
The product of its digits is 37800, while the sum is 36.
The square root of 13245957 is about 3639.4995535101. The cubic root of 13245957 is about 236.6071041893.
The spelling of 13245957 in words is "thirteen million, two hundred forty-five thousand, nine hundred fifty-seven".
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