Base | Representation |
---|---|
bin | 111001110000… |
… | …101001110101 |
3 | 1001111021020001 |
4 | 321300221311 |
5 | 12334011433 |
6 | 1300311301 |
7 | 242462203 |
oct | 71605165 |
9 | 31437201 |
10 | 15141493 |
11 | 8602034 |
12 | 50a2531 |
13 | 31a1b83 |
14 | 2022073 |
15 | 14e157d |
hex | e70a75 |
15141493 has 2 divisors, whose sum is σ = 15141494. Its totient is φ = 15141492.
The previous prime is 15141491. The next prime is 15141557. The reversal of 15141493 is 39414151.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12124324 + 3017169 = 3482^2 + 1737^2 .
It is a cyclic number.
It is not a de Polignac number, because 15141493 - 21 = 15141491 is a prime.
Together with 15141491, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (15141491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7570746 + 7570747.
It is an arithmetic number, because the mean of its divisors is an integer number (7570747).
Almost surely, 215141493 is an apocalyptic number.
It is an amenable number.
15141493 is a deficient number, since it is larger than the sum of its proper divisors (1).
15141493 is an equidigital number, since it uses as much as digits as its factorization.
15141493 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 2160, while the sum is 28.
The square root of 15141493 is about 3891.2071391793. The cubic root of 15141493 is about 247.3942302195.
The spelling of 15141493 in words is "fifteen million, one hundred forty-one thousand, four hundred ninety-three".
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