Base | Representation |
---|---|
bin | 111001100111… |
… | …100000001001 |
3 | 1001102100210202 |
4 | 321213200021 |
5 | 12331312014 |
6 | 1255421545 |
7 | 242245004 |
oct | 71474011 |
9 | 31370722 |
10 | 15104009 |
11 | 8586958 |
12 | 50848b5 |
13 | 318aaab |
14 | 201253b |
15 | 14d53de |
hex | e67809 |
15104009 has 2 divisors, whose sum is σ = 15104010. Its totient is φ = 15104008.
The previous prime is 15103999. The next prime is 15104017. The reversal of 15104009 is 90040151.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8065600 + 7038409 = 2840^2 + 2653^2 .
It is a cyclic number.
It is not a de Polignac number, because 15104009 - 216 = 15038473 is a prime.
It is not a weakly prime, because it can be changed into another prime (15104039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7552004 + 7552005.
It is an arithmetic number, because the mean of its divisors is an integer number (7552005).
Almost surely, 215104009 is an apocalyptic number.
It is an amenable number.
15104009 is a deficient number, since it is larger than the sum of its proper divisors (1).
15104009 is an equidigital number, since it uses as much as digits as its factorization.
15104009 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 180, while the sum is 20.
The square root of 15104009 is about 3886.3876543649. The cubic root of 15104009 is about 247.1899133322.
The spelling of 15104009 in words is "fifteen million, one hundred four thousand, nine".
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