Base | Representation |
---|---|
bin | 111001011101… |
… | …110001000001 |
3 | 1001100100002201 |
4 | 321131301001 |
5 | 12324023004 |
6 | 1254513201 |
7 | 242020513 |
oct | 71356101 |
9 | 31310081 |
10 | 15064129 |
11 | 85599a3 |
12 | 5065801 |
13 | 31758b2 |
14 | 2001bb3 |
15 | 14c86a4 |
hex | e5dc41 |
15064129 has 4 divisors (see below), whose sum is σ = 15118020. Its totient is φ = 15010240.
The previous prime is 15064121. The next prime is 15064139. The reversal of 15064129 is 92146051.
15064129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92146051 = 61 ⋅1510591.
It can be written as a sum of positive squares in 2 ways, for example, as 3908529 + 11155600 = 1977^2 + 3340^2 .
It is a cyclic number.
It is not a de Polignac number, because 15064129 - 23 = 15064121 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 15064097 and 15064106.
It is not an unprimeable number, because it can be changed into a prime (15064121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26524 + ... + 27085.
It is an arithmetic number, because the mean of its divisors is an integer number (3779505).
Almost surely, 215064129 is an apocalyptic number.
It is an amenable number.
15064129 is a deficient number, since it is larger than the sum of its proper divisors (53891).
15064129 is an equidigital number, since it uses as much as digits as its factorization.
15064129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53890.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 15064129 is about 3881.2535346200. The cubic root of 15064129 is about 246.9721649041.
The spelling of 15064129 in words is "fifteen million, sixty-four thousand, one hundred twenty-nine".
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