Base | Representation |
---|---|
bin | 110010001001… |
… | …110100100001 |
3 | 220201221212200 |
4 | 302021310201 |
5 | 11331204200 |
6 | 1145443413 |
7 | 216515454 |
oct | 62116441 |
9 | 26657780 |
10 | 13147425 |
11 | 746a945 |
12 | 44a0569 |
13 | 2954355 |
14 | 1a6349b |
15 | 124a800 |
hex | c89d21 |
13147425 has 36 divisors (see below), whose sum is σ = 23909184. Its totient is φ = 6904800.
The previous prime is 13147399. The next prime is 13147427. The reversal of 13147425 is 52474131.
It is not a de Polignac number, because 13147425 - 215 = 13114657 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13147427) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15564 + ... + 16386.
It is an arithmetic number, because the mean of its divisors is an integer number (664144).
Almost surely, 213147425 is an apocalyptic number.
13147425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13147425 is a deficient number, since it is larger than the sum of its proper divisors (10761759).
13147425 is a wasteful number, since it uses less digits than its factorization.
13147425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 910 (or 902 counting only the distinct ones).
The product of its digits is 3360, while the sum is 27.
The square root of 13147425 is about 3625.9378097259. The cubic root of 13147425 is about 236.0189645298.
The spelling of 13147425 in words is "thirteen million, one hundred forty-seven thousand, four hundred twenty-five".
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