Base | Representation |
---|---|
bin | 11110001010010… |
… | …10110100000011 |
3 | 122122002101221011 |
4 | 33011022310003 |
5 | 1004232411001 |
6 | 41034541351 |
7 | 6161401651 |
oct | 1705126403 |
9 | 578071834 |
10 | 253013251 |
11 | 11a901667 |
12 | 70897857 |
13 | 405590aa |
14 | 25861dd1 |
15 | 1732bd51 |
hex | f14ad03 |
253013251 has 2 divisors, whose sum is σ = 253013252. Its totient is φ = 253013250.
The previous prime is 253013213. The next prime is 253013263. The reversal of 253013251 is 152310352.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 253013251 - 213 = 253005059 is a prime.
It is not a weakly prime, because it can be changed into another prime (253013051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126506625 + 126506626.
It is an arithmetic number, because the mean of its divisors is an integer number (126506626).
Almost surely, 2253013251 is an apocalyptic number.
253013251 is a deficient number, since it is larger than the sum of its proper divisors (1).
253013251 is an equidigital number, since it uses as much as digits as its factorization.
253013251 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 253013251 is about 15906.3902567490. The cubic root of 253013251 is about 632.4813961314.
The spelling of 253013251 in words is "two hundred fifty-three million, thirteen thousand, two hundred fifty-one".
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