Base | Representation |
---|---|
bin | 11110011101110… |
… | …11000111111111 |
3 | 122210220022201112 |
4 | 33032323013333 |
5 | 1010411223211 |
6 | 41205432235 |
7 | 6222212204 |
oct | 1716730777 |
9 | 583808645 |
10 | 255570431 |
11 | 121298936 |
12 | 7170b67b |
13 | 40c4300c |
14 | 25d29cab |
15 | 1768488b |
hex | f3bb1ff |
255570431 has 2 divisors, whose sum is σ = 255570432. Its totient is φ = 255570430.
The previous prime is 255570397. The next prime is 255570437. The reversal of 255570431 is 134075552.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 255570431 - 210 = 255569407 is a prime.
It is a super-2 number, since 2×2555704312 = 130632490403051522, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (255570437) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127785215 + 127785216.
It is an arithmetic number, because the mean of its divisors is an integer number (127785216).
Almost surely, 2255570431 is an apocalyptic number.
255570431 is a deficient number, since it is larger than the sum of its proper divisors (1).
255570431 is an equidigital number, since it uses as much as digits as its factorization.
255570431 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 21000, while the sum is 32.
The square root of 255570431 is about 15986.5703326261. The cubic root of 255570431 is about 634.6050665957.
The spelling of 255570431 in words is "two hundred fifty-five million, five hundred seventy thousand, four hundred thirty-one".
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