Base | Representation |
---|---|
bin | 1111010001010… |
… | …1110100110011 |
3 | 11110112012112222 |
4 | 3310111310303 |
5 | 112344140111 |
6 | 10204511255 |
7 | 1405303034 |
oct | 364256463 |
9 | 143465488 |
10 | 64052531 |
11 | 33179684 |
12 | 1954b52b |
13 | 1036870a |
14 | 8714a8b |
15 | 59537db |
hex | 3d15d33 |
64052531 has 2 divisors, whose sum is σ = 64052532. Its totient is φ = 64052530.
The previous prime is 64052519. The next prime is 64052533. The reversal of 64052531 is 13525046.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-64052531 is a prime.
It is a super-2 number, since 2×640525312 = 8205453455011922, which contains 22 as substring.
Together with 64052533, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 64052531.
It is not a weakly prime, because it can be changed into another prime (64052533) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32026265 + 32026266.
It is an arithmetic number, because the mean of its divisors is an integer number (32026266).
Almost surely, 264052531 is an apocalyptic number.
64052531 is a deficient number, since it is larger than the sum of its proper divisors (1).
64052531 is an equidigital number, since it uses as much as digits as its factorization.
64052531 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 64052531 is about 8003.2825140688. The cubic root of 64052531 is about 400.1094096544.
Adding to 64052531 its reverse (13525046), we get a palindrome (77577577).
The spelling of 64052531 in words is "sixty-four million, fifty-two thousand, five hundred thirty-one".
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