Base | Representation |
---|---|
bin | 111001100100… |
… | …001101000001 |
3 | 1001101200021022 |
4 | 321210031001 |
5 | 12330343442 |
6 | 1255235225 |
7 | 242160422 |
oct | 71441501 |
9 | 31350238 |
10 | 15090497 |
11 | 8577794 |
12 | 5078b15 |
13 | 31848b6 |
14 | 200b649 |
15 | 14d13d2 |
hex | e64341 |
15090497 has 2 divisors, whose sum is σ = 15090498. Its totient is φ = 15090496.
The previous prime is 15090457. The next prime is 15090529. The reversal of 15090497 is 79409051.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 15085456 + 5041 = 3884^2 + 71^2 .
It is an emirp because it is prime and its reverse (79409051) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 15090497 - 220 = 14041921 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (15090457) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7545248 + 7545249.
It is an arithmetic number, because the mean of its divisors is an integer number (7545249).
Almost surely, 215090497 is an apocalyptic number.
It is an amenable number.
15090497 is a deficient number, since it is larger than the sum of its proper divisors (1).
15090497 is an equidigital number, since it uses as much as digits as its factorization.
15090497 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 11340, while the sum is 35.
The square root of 15090497 is about 3884.6488901830. The cubic root of 15090497 is about 247.1161795617.
The spelling of 15090497 in words is "fifteen million, ninety thousand, four hundred ninety-seven".
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