Base | Representation |
---|---|
bin | 11110101001110… |
… | …00110111100101 |
3 | 122220211202121110 |
4 | 33110320313211 |
5 | 1011311242203 |
6 | 41303135233 |
7 | 6241413651 |
oct | 1724706745 |
9 | 586752543 |
10 | 257134053 |
11 | 122166690 |
12 | 72144519 |
13 | 4136c937 |
14 | 26215a61 |
15 | 17892d03 |
hex | f538de5 |
257134053 has 32 divisors (see below), whose sum is σ = 386432640. Its totient is φ = 150716160.
The previous prime is 257134051. The next prime is 257134079. The reversal of 257134053 is 350431752.
It is not a de Polignac number, because 257134053 - 21 = 257134051 is a prime.
It is a super-2 number, since 2×2571340532 = 132235842424413618, 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 257134053.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (257134051) 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 in 31 ways as a sum of consecutive naturals, for example, 240003 + ... + 241071.
It is an arithmetic number, because the mean of its divisors is an integer number (12076020).
Almost surely, 2257134053 is an apocalyptic number.
It is an amenable number.
257134053 is a deficient number, since it is larger than the sum of its proper divisors (129298587).
257134053 is a wasteful number, since it uses less digits than its factorization.
257134053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1317.
The product of its (nonzero) digits is 12600, while the sum is 30.
The square root of 257134053 is about 16035.3999950110. The cubic root of 257134053 is about 635.8966422563.
The spelling of 257134053 in words is "two hundred fifty-seven million, one hundred thirty-four thousand, fifty-three".
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