Base | Representation |
---|---|
bin | 111010111000… |
… | …000101001001 |
3 | 1002001010112202 |
4 | 322320011021 |
5 | 12422342212 |
6 | 1310445545 |
7 | 245121152 |
oct | 72700511 |
9 | 32033482 |
10 | 15434057 |
11 | 8791921 |
12 | 52038b5 |
13 | 32750a2 |
14 | 209a929 |
15 | 154d0c2 |
hex | eb8149 |
15434057 has 2 divisors, whose sum is σ = 15434058. Its totient is φ = 15434056.
The previous prime is 15434047. The next prime is 15434059. The reversal of 15434057 is 75043451.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 14776336 + 657721 = 3844^2 + 811^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-15434057 is a prime.
Together with 15434059, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (15434059) 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, 7717028 + 7717029.
It is an arithmetic number, because the mean of its divisors is an integer number (7717029).
Almost surely, 215434057 is an apocalyptic number.
It is an amenable number.
15434057 is a deficient number, since it is larger than the sum of its proper divisors (1).
15434057 is an equidigital number, since it uses as much as digits as its factorization.
15434057 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8400, while the sum is 29.
The square root of 15434057 is about 3928.6202412552. The cubic root of 15434057 is about 248.9774606889.
The spelling of 15434057 in words is "fifteen million, four hundred thirty-four thousand, fifty-seven".
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