Base | Representation |
---|---|
bin | 110010001100… |
… | …101010000101 |
3 | 220202112211001 |
4 | 302030222011 |
5 | 11332042140 |
6 | 1150013301 |
7 | 216564364 |
oct | 62145205 |
9 | 26675731 |
10 | 13159045 |
11 | 7478649 |
12 | 44a7231 |
13 | 2959723 |
14 | 1a677db |
15 | 124de9a |
hex | c8ca85 |
13159045 has 8 divisors (see below), whose sum is σ = 15838200. Its totient is φ = 10495680.
The previous prime is 13159043. The next prime is 13159049. The reversal of 13159045 is 54095131.
It can be written as a sum of positive squares in 4 ways, for example, as 641601 + 12517444 = 801^2 + 3538^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13159045 - 21 = 13159043 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13159043) 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, 2026 + ... + 5515.
It is an arithmetic number, because the mean of its divisors is an integer number (1979775).
Almost surely, 213159045 is an apocalyptic number.
It is an amenable number.
13159045 is a deficient number, since it is larger than the sum of its proper divisors (2679155).
13159045 is an equidigital number, since it uses as much as digits as its factorization.
13159045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7895.
The product of its (nonzero) digits is 2700, while the sum is 28.
The square root of 13159045 is about 3627.5397999195. The cubic root of 13159045 is about 236.0884770716.
The spelling of 13159045 in words is "thirteen million, one hundred fifty-nine thousand, forty-five".
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