Base | Representation |
---|---|
bin | 11110000110011… |
… | …01110100111111 |
3 | 122121010101200102 |
4 | 33003031310333 |
5 | 1004120020221 |
6 | 41015551315 |
7 | 6154140266 |
oct | 1703156477 |
9 | 577111612 |
10 | 252501311 |
11 | 11a591a77 |
12 | 7068b53b |
13 | 4040a07a |
14 | 2576b5dd |
15 | 1727a30b |
hex | f0cdd3f |
252501311 has 2 divisors, whose sum is σ = 252501312. Its totient is φ = 252501310.
The previous prime is 252501287. The next prime is 252501331. The reversal of 252501311 is 113105252.
It is a happy number.
It is an a-pointer prime, because the next prime (252501331) can be obtained adding 252501311 to its sum of digits (20).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 252501311 - 214 = 252484927 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (252501331) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126250655 + 126250656.
It is an arithmetic number, because the mean of its divisors is an integer number (126250656).
Almost surely, 2252501311 is an apocalyptic number.
252501311 is a deficient number, since it is larger than the sum of its proper divisors (1).
252501311 is an equidigital number, since it uses as much as digits as its factorization.
252501311 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 252501311 is about 15890.2898337318. The cubic root of 252501311 is about 632.0545263202.
Adding to 252501311 its reverse (113105252), we get a palindrome (365606563).
The spelling of 252501311 in words is "two hundred fifty-two million, five hundred one thousand, three hundred eleven".
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