Base | Representation |
---|---|
bin | 1100101010001… |
… | …0000111001101 |
3 | 10200220101122111 |
4 | 3022202013031 |
5 | 102042432223 |
6 | 5133544021 |
7 | 1213165354 |
oct | 312420715 |
9 | 120811574 |
10 | 53092813 |
11 | 27a73464 |
12 | 15945011 |
13 | accc087 |
14 | 70a099b |
15 | 49db30d |
hex | 32a21cd |
53092813 has 4 divisors (see below), whose sum is σ = 53147808. Its totient is φ = 53037820.
The previous prime is 53092811. The next prime is 53092829. The reversal of 53092813 is 31829035.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 53092813 - 21 = 53092811 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53092811) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26023 + ... + 27988.
It is an arithmetic number, because the mean of its divisors is an integer number (13286952).
Almost surely, 253092813 is an apocalyptic number.
It is an amenable number.
53092813 is a deficient number, since it is larger than the sum of its proper divisors (54995).
53092813 is an equidigital number, since it uses as much as digits as its factorization.
53092813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54994.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 53092813 is about 7286.4815240279. The cubic root of 53092813 is about 375.8477130577.
The spelling of 53092813 in words is "fifty-three million, ninety-two thousand, eight hundred thirteen".
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