Base | Representation |
---|---|
bin | 1100101000110… |
… | …1011110100011 |
3 | 10200202002201001 |
4 | 3022031132203 |
5 | 102032231131 |
6 | 5132052431 |
7 | 1212364060 |
oct | 312153643 |
9 | 120662631 |
10 | 53008291 |
11 | 27a15a06 |
12 | 15904117 |
13 | ac9c76b |
14 | 707bc67 |
15 | 49c1261 |
hex | 328d7a3 |
53008291 has 4 divisors (see below), whose sum is σ = 60580912. Its totient is φ = 45435672.
The previous prime is 53008283. The next prime is 53008297. The reversal of 53008291 is 19280035.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19280035 = 5 ⋅3856007.
It is a cyclic number.
It is not a de Polignac number, because 53008291 - 23 = 53008283 is a prime.
It is not an unprimeable number, because it can be changed into a prime (53008297) 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, 3786300 + ... + 3786313.
It is an arithmetic number, because the mean of its divisors is an integer number (15145228).
Almost surely, 253008291 is an apocalyptic number.
53008291 is a deficient number, since it is larger than the sum of its proper divisors (7572621).
53008291 is an equidigital number, since it uses as much as digits as its factorization.
53008291 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7572620.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 53008291 is about 7280.6792952306. The cubic root of 53008291 is about 375.6481614230.
The spelling of 53008291 in words is "fifty-three million, eight thousand, two hundred ninety-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.020 sec. • engine limits •