Base | Representation |
---|---|
bin | 11110001011010… |
… | …01001110111101 |
3 | 122122022201212001 |
4 | 33011221032331 |
5 | 1004300402403 |
6 | 41041342301 |
7 | 6162431143 |
oct | 1705511675 |
9 | 578281761 |
10 | 253137853 |
11 | 11a987241 |
12 | 70937991 |
13 | 405a0a17 |
14 | 25895593 |
15 | 17353c1d |
hex | f1693bd |
253137853 has 2 divisors, whose sum is σ = 253137854. Its totient is φ = 253137852.
The previous prime is 253137821. The next prime is 253137901. The reversal of 253137853 is 358731352.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 233539524 + 19598329 = 15282^2 + 4427^2 .
It is a cyclic number.
It is not a de Polignac number, because 253137853 - 25 = 253137821 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (253137953) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126568926 + 126568927.
It is an arithmetic number, because the mean of its divisors is an integer number (126568927).
Almost surely, 2253137853 is an apocalyptic number.
It is an amenable number.
253137853 is a deficient number, since it is larger than the sum of its proper divisors (1).
253137853 is an equidigital number, since it uses as much as digits as its factorization.
253137853 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 75600, while the sum is 37.
The square root of 253137853 is about 15910.3065023902. The cubic root of 253137853 is about 632.5852056001.
The spelling of 253137853 in words is "two hundred fifty-three million, one hundred thirty-seven thousand, eight hundred fifty-three".
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