Base | Representation |
---|---|
bin | 11110010001010… |
… | …01100110101111 |
3 | 122200210202201112 |
4 | 33020221212233 |
5 | 1010001111212 |
6 | 41110302235 |
7 | 6202222322 |
oct | 1710514657 |
9 | 580722645 |
10 | 253925807 |
11 | 120375243 |
12 | 7105797b |
13 | 407b8575 |
14 | 25a1c7b9 |
15 | 1745c422 |
hex | f2299af |
253925807 has 2 divisors, whose sum is σ = 253925808. Its totient is φ = 253925806.
The previous prime is 253925741. The next prime is 253925849. The reversal of 253925807 is 708529352.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 253925807 - 214 = 253909423 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (253925887) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126962903 + 126962904.
It is an arithmetic number, because the mean of its divisors is an integer number (126962904).
Almost surely, 2253925807 is an apocalyptic number.
253925807 is a deficient number, since it is larger than the sum of its proper divisors (1).
253925807 is an equidigital number, since it uses as much as digits as its factorization.
253925807 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 151200, while the sum is 41.
The square root of 253925807 is about 15935.0496390818. The cubic root of 253925807 is about 633.2408849054.
The spelling of 253925807 in words is "two hundred fifty-three million, nine hundred twenty-five thousand, eight hundred seven".
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