Base | Representation |
---|---|
bin | 11110010001110… |
… | …01111001100000 |
3 | 122200221011021021 |
4 | 33020321321200 |
5 | 1010010230134 |
6 | 41111535224 |
7 | 6202621021 |
oct | 1710717140 |
9 | 580834237 |
10 | 253992544 |
11 | 1204103a3 |
12 | 7108a514 |
13 | 4080ca60 |
14 | 25a38c48 |
15 | 174720b4 |
hex | f239e60 |
253992544 has 24 divisors (see below), whose sum is σ = 538513920. Its totient is φ = 117227136.
The previous prime is 253992539. The next prime is 253992547. The reversal of 253992544 is 445299352.
253992544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 253992544.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253992547) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304864 + ... + 305695.
It is an arithmetic number, because the mean of its divisors is an integer number (22438080).
Almost surely, 2253992544 is an apocalyptic number.
It is an amenable number.
253992544 is an abundant number, since it is smaller than the sum of its proper divisors (284521376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253992544 is a wasteful number, since it uses less digits than its factorization.
253992544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 610582 (or 610574 counting only the distinct ones).
The product of its digits is 388800, while the sum is 43.
The square root of 253992544 is about 15937.1435332684. The cubic root of 253992544 is about 633.2963563515.
The spelling of 253992544 in words is "two hundred fifty-three million, nine hundred ninety-two thousand, five hundred forty-four".
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