Base | Representation |
---|---|
bin | 1011011011111… |
… | …0010100110101 |
3 | 10100020220021202 |
4 | 2312332110311 |
5 | 44234343433 |
6 | 4432022245 |
7 | 1121462042 |
oct | 266762465 |
9 | 110226252 |
10 | 47965493 |
11 | 25091204 |
12 | 14091985 |
13 | 9c25364 |
14 | 65281c9 |
15 | 4326ee8 |
hex | 2dbe535 |
47965493 has 2 divisors, whose sum is σ = 47965494. Its totient is φ = 47965492.
The previous prime is 47965471. The next prime is 47965499. The reversal of 47965493 is 39456974.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 35736484 + 12229009 = 5978^2 + 3497^2 .
It is a cyclic number.
It is not a de Polignac number, because 47965493 - 26 = 47965429 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (47965499) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23982746 + 23982747.
It is an arithmetic number, because the mean of its divisors is an integer number (23982747).
Almost surely, 247965493 is an apocalyptic number.
It is an amenable number.
47965493 is a deficient number, since it is larger than the sum of its proper divisors (1).
47965493 is an equidigital number, since it uses as much as digits as its factorization.
47965493 is an evil number, because the sum of its binary digits is even.
The product of its digits is 816480, while the sum is 47.
The square root of 47965493 is about 6925.7124543255. The cubic root of 47965493 is about 363.3370096608.
The spelling of 47965493 in words is "forty-seven million, nine hundred sixty-five thousand, four hundred ninety-three".
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