Base | Representation |
---|---|
bin | 110001101110… |
… | …111001011101 |
3 | 220112100121101 |
4 | 301232321131 |
5 | 11314142044 |
6 | 1143233101 |
7 | 215546116 |
oct | 61567135 |
9 | 26470541 |
10 | 13037149 |
11 | 73a5004 |
12 | 4448791 |
13 | 29160b8 |
14 | 1a3520d |
15 | 1227cd4 |
hex | c6ee5d |
13037149 has 6 divisors (see below), whose sum is σ = 13166426. Its totient is φ = 12909120.
The previous prime is 13037131. The next prime is 13037161. The reversal of 13037149 is 94173031.
It can be written as a sum of positive squares in 3 ways, for example, as 611524 + 12425625 = 782^2 + 3525^2 .
It is not a de Polignac number, because 13037149 - 25 = 13037117 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 (13037119) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12259 + ... + 13279.
Almost surely, 213037149 is an apocalyptic number.
It is an amenable number.
13037149 is a deficient number, since it is larger than the sum of its proper divisors (129277).
13037149 is an equidigital number, since it uses as much as digits as its factorization.
13037149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1247 (or 1134 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 28.
The square root of 13037149 is about 3610.6992397595. The cubic root of 13037149 is about 235.3572294392.
The spelling of 13037149 in words is "thirteen million, thirty-seven thousand, one hundred forty-nine".
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