Base | Representation |
---|---|
bin | 11110000111111… |
… | …00010101010001 |
3 | 122121111001222022 |
4 | 33003330111101 |
5 | 1004142114133 |
6 | 41024021225 |
7 | 6155562524 |
oct | 1703742521 |
9 | 577431868 |
10 | 252691793 |
11 | 11a7020a2 |
12 | 70761815 |
13 | 40475993 |
14 | 257babbb |
15 | 172b6998 |
hex | f0fc551 |
252691793 has 2 divisors, whose sum is σ = 252691794. Its totient is φ = 252691792.
The previous prime is 252691783. The next prime is 252691801. The reversal of 252691793 is 397196252.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 249892864 + 2798929 = 15808^2 + 1673^2 .
It is a cyclic number.
It is not a de Polignac number, because 252691793 - 26 = 252691729 is a prime.
It is not a weakly prime, because it can be changed into another prime (252691783) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126345896 + 126345897.
It is an arithmetic number, because the mean of its divisors is an integer number (126345897).
Almost surely, 2252691793 is an apocalyptic number.
It is an amenable number.
252691793 is a deficient number, since it is larger than the sum of its proper divisors (1).
252691793 is an equidigital number, since it uses as much as digits as its factorization.
252691793 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 204120, while the sum is 44.
The square root of 252691793 is about 15896.2823641253. The cubic root of 252691793 is about 632.2134228529.
The spelling of 252691793 in words is "two hundred fifty-two million, six hundred ninety-one thousand, seven hundred ninety-three".
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