Base | Representation |
---|---|
bin | 11110010000110… |
… | …11100111001000 |
3 | 122200200212002121 |
4 | 33020123213020 |
5 | 1004442242423 |
6 | 41105141024 |
7 | 6201563236 |
oct | 1710334710 |
9 | 580625077 |
10 | 253868488 |
11 | 120336175 |
12 | 7102a774 |
13 | 40798453 |
14 | 25a05956 |
15 | 1744a45d |
hex | f21b9c8 |
253868488 has 16 divisors (see below), whose sum is σ = 479430000. Its totient is φ = 126020496.
The previous prime is 253868477. The next prime is 253868501. The reversal of 253868488 is 884868352.
253868488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2538684882 = 128898418398812288, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113038 + ... + 115261.
It is an arithmetic number, because the mean of its divisors is an integer number (29964375).
Almost surely, 2253868488 is an apocalyptic number.
It is an amenable number.
253868488 is a deficient number, since it is larger than the sum of its proper divisors (225561512).
253868488 is a wasteful number, since it uses less digits than its factorization.
253868488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 228444 (or 228440 counting only the distinct ones).
The product of its digits is 2949120, while the sum is 52.
The square root of 253868488 is about 15933.2510179185. The cubic root of 253868488 is about 633.1932338924.
The spelling of 253868488 in words is "two hundred fifty-three million, eight hundred sixty-eight thousand, four hundred eighty-eight".
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