Base | Representation |
---|---|
bin | 110100010110… |
… | …111011011001 |
3 | 221211022201012 |
4 | 310112323121 |
5 | 12003203101 |
6 | 1210103305 |
7 | 224443514 |
oct | 64267331 |
9 | 27738635 |
10 | 13725401 |
11 | 7825108 |
12 | 471ab35 |
13 | 2ac7451 |
14 | 1b73d7b |
15 | 1311bbb |
hex | d16ed9 |
13725401 has 2 divisors, whose sum is σ = 13725402. Its totient is φ = 13725400.
The previous prime is 13725379. The next prime is 13725431. The reversal of 13725401 is 10452731.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 8549776 + 5175625 = 2924^2 + 2275^2 .
It is a cyclic number.
It is not a de Polignac number, because 13725401 - 210 = 13724377 is a prime.
It is a super-2 number, since 2×137254012 = 376773265221602, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (13725431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6862700 + 6862701.
It is an arithmetic number, because the mean of its divisors is an integer number (6862701).
Almost surely, 213725401 is an apocalyptic number.
It is an amenable number.
13725401 is a deficient number, since it is larger than the sum of its proper divisors (1).
13725401 is an equidigital number, since it uses as much as digits as its factorization.
13725401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 13725401 is about 3704.7808302246. The cubic root of 13725401 is about 239.4280419513.
The spelling of 13725401 in words is "thirteen million, seven hundred twenty-five thousand, four hundred one".
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