Base | Representation |
---|---|
bin | 11110001101011… |
… | …11001010100011 |
3 | 122122212021202212 |
4 | 33012233022203 |
5 | 1004334034131 |
6 | 41051432335 |
7 | 6165033221 |
oct | 1706571243 |
9 | 578767685 |
10 | 253424291 |
11 | 12006246a |
12 | 70a556ab |
13 | 40671203 |
14 | 2592bb11 |
15 | 173ada2b |
hex | f1af2a3 |
253424291 has 2 divisors, whose sum is σ = 253424292. Its totient is φ = 253424290.
The previous prime is 253424263. The next prime is 253424341. The reversal of 253424291 is 192424352.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 253424291 - 214 = 253407907 is a prime.
It is not a weakly prime, because it can be changed into another prime (253424201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126712145 + 126712146.
It is an arithmetic number, because the mean of its divisors is an integer number (126712146).
Almost surely, 2253424291 is an apocalyptic number.
253424291 is a deficient number, since it is larger than the sum of its proper divisors (1).
253424291 is an equidigital number, since it uses as much as digits as its factorization.
253424291 is an evil number, because the sum of its binary digits is even.
The product of its digits is 17280, while the sum is 32.
The square root of 253424291 is about 15919.3056067154. The cubic root of 253424291 is about 632.8237161424.
The spelling of 253424291 in words is "two hundred fifty-three million, four hundred twenty-four thousand, two hundred ninety-one".
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