Base | Representation |
---|---|
bin | 11110010000110… |
… | …11100000101100 |
3 | 122200200211112100 |
4 | 33020123200230 |
5 | 1004442234301 |
6 | 41105135100 |
7 | 6201562110 |
oct | 1710334054 |
9 | 580624470 |
10 | 253868076 |
11 | 120335930 |
12 | 7102a490 |
13 | 407981c7 |
14 | 25a05740 |
15 | 1744a286 |
hex | f21b82c |
253868076 has 72 divisors (see below), whose sum is σ = 800077824. Its totient is φ = 65939040.
The previous prime is 253868053. The next prime is 253868077. The reversal of 253868076 is 670868352.
253868076 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (253868077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43020 + ... + 48563.
It is an arithmetic number, because the mean of its divisors is an integer number (11112192).
Almost surely, 2253868076 is an apocalyptic number.
It is an amenable number.
253868076 is an abundant number, since it is smaller than the sum of its proper divisors (546209748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253868076 is a wasteful number, since it uses less digits than its factorization.
253868076 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91611 (or 91606 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 45.
The square root of 253868076 is about 15933.2380889761. The cubic root of 253868076 is about 633.1928913585.
The spelling of 253868076 in words is "two hundred fifty-three million, eight hundred sixty-eight thousand, seventy-six".
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