Base | Representation |
---|---|
bin | 11110011010101… |
… | …01000001111011 |
3 | 122210010002002101 |
4 | 33031111001323 |
5 | 1010304333001 |
6 | 41152444231 |
7 | 6215521054 |
oct | 1715250173 |
9 | 583102071 |
10 | 255152251 |
11 | 121032732 |
12 | 71549677 |
13 | 40b27883 |
14 | 25c5b72b |
15 | 17600a01 |
hex | f35507b |
255152251 has 2 divisors, whose sum is σ = 255152252. Its totient is φ = 255152250.
The previous prime is 255152171. The next prime is 255152263. The reversal of 255152251 is 152251552.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-255152251 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (255159251) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127576125 + 127576126.
It is an arithmetic number, because the mean of its divisors is an integer number (127576126).
Almost surely, 2255152251 is an apocalyptic number.
255152251 is a deficient number, since it is larger than the sum of its proper divisors (1).
255152251 is an equidigital number, since it uses as much as digits as its factorization.
255152251 is an evil number, because the sum of its binary digits is even.
The product of its digits is 5000, while the sum is 28.
The square root of 255152251 is about 15973.4858750368. The cubic root of 255152251 is about 634.2587510737.
The spelling of 255152251 in words is "two hundred fifty-five million, one hundred fifty-two thousand, two hundred fifty-one".
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