Base | Representation |
---|---|
bin | 11110010001010… |
… | …01011010011100 |
3 | 122200210201122101 |
4 | 33020221122130 |
5 | 1010001100040 |
6 | 41110254444 |
7 | 6202220116 |
oct | 1710513234 |
9 | 580721571 |
10 | 253925020 |
11 | 120374698 |
12 | 71057424 |
13 | 407b80bb |
14 | 25a1c3b6 |
15 | 1745c09a |
hex | f22969c |
253925020 has 24 divisors (see below), whose sum is σ = 544590144. Its totient is φ = 99408576.
The previous prime is 253925011. The next prime is 253925027. The reversal of 253925020 is 20529352.
253925020 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 253925020.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253925027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134127 + ... + 136006.
It is an arithmetic number, because the mean of its divisors is an integer number (22691256).
Almost surely, 2253925020 is an apocalyptic number.
253925020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
253925020 is an abundant number, since it is smaller than the sum of its proper divisors (290665124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253925020 is a wasteful number, since it uses less digits than its factorization.
253925020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270189 (or 270187 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 28.
The square root of 253925020 is about 15935.0249450699. The cubic root of 253925020 is about 633.2402306971.
The spelling of 253925020 in words is "two hundred fifty-three million, nine hundred twenty-five thousand, twenty".
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