Base | Representation |
---|---|
bin | 11110010000110… |
… | …11100011011111 |
3 | 122200200211202222 |
4 | 33020123203133 |
5 | 1004442241010 |
6 | 41105135555 |
7 | 6201562454 |
oct | 1710334337 |
9 | 580624688 |
10 | 253868255 |
11 | 120335a83 |
12 | 7102a5bb |
13 | 40798304 |
14 | 25a0582b |
15 | 1744a355 |
hex | f21b8df |
253868255 has 8 divisors (see below), whose sum is σ = 305973600. Its totient is φ = 202206816.
The previous prime is 253868249. The next prime is 253868257. The reversal of 253868255 is 552868352.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 253868255 - 224 = 237091039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253868257) 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 7 ways as a sum of consecutive naturals, for example, 109715 + ... + 112004.
It is an arithmetic number, because the mean of its divisors is an integer number (38246700).
Almost surely, 2253868255 is an apocalyptic number.
253868255 is a deficient number, since it is larger than the sum of its proper divisors (52105345).
253868255 is a wasteful number, since it uses less digits than its factorization.
253868255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 221953.
The product of its digits is 576000, while the sum is 44.
The square root of 253868255 is about 15933.2437061635. The cubic root of 253868255 is about 633.1930401779.
The spelling of 253868255 in words is "two hundred fifty-three million, eight hundred sixty-eight thousand, two hundred fifty-five".
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