Base | Representation |
---|---|
bin | 11110001010111… |
… | …01100101010001 |
3 | 122122020022101111 |
4 | 33011131211101 |
5 | 1004242341004 |
6 | 41040333321 |
7 | 6162142045 |
oct | 1705354521 |
9 | 578208344 |
10 | 253090129 |
11 | 11a9543a6 |
12 | 70914241 |
13 | 40585096 |
14 | 25882025 |
15 | 17344a04 |
hex | f15d951 |
253090129 has 2 divisors, whose sum is σ = 253090130. Its totient is φ = 253090128.
The previous prime is 253090121. The next prime is 253090133. The reversal of 253090129 is 921090352.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 252969025 + 121104 = 15905^2 + 348^2 .
It is a cyclic number.
It is not a de Polignac number, because 253090129 - 23 = 253090121 is a prime.
It is a super-2 number, since 2×2530901292 = 128109226794473282, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 253090129.
It is not a weakly prime, because it can be changed into another prime (253090121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126545064 + 126545065.
It is an arithmetic number, because the mean of its divisors is an integer number (126545065).
Almost surely, 2253090129 is an apocalyptic number.
It is an amenable number.
253090129 is a deficient number, since it is larger than the sum of its proper divisors (1).
253090129 is an equidigital number, since it uses as much as digits as its factorization.
253090129 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4860, while the sum is 31.
The square root of 253090129 is about 15908.8066491488. The cubic root of 253090129 is about 632.5454494048.
The spelling of 253090129 in words is "two hundred fifty-three million, ninety thousand, one hundred twenty-nine".
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