Base | Representation |
---|---|
bin | 11110001101010… |
… | …10000001111100 |
3 | 122122211012220221 |
4 | 33012222001330 |
5 | 1004332401020 |
6 | 41051151124 |
7 | 6164615005 |
oct | 1706520174 |
9 | 578735827 |
10 | 253403260 |
11 | 120048690 |
12 | 70a454a4 |
13 | 40664776 |
14 | 259241ac |
15 | 173a76aa |
hex | f1aa07c |
253403260 has 48 divisors (see below), whose sum is σ = 588736512. Its totient is φ = 90843200.
The previous prime is 253403237. The next prime is 253403261. The reversal of 253403260 is 62304352.
It is a happy number.
253403260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253403261) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7509 + ... + 23731.
It is an arithmetic number, because the mean of its divisors is an integer number (12265344).
Almost surely, 2253403260 is an apocalyptic number.
253403260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 253403260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294368256).
253403260 is an abundant number, since it is smaller than the sum of its proper divisors (335333252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253403260 is a wasteful number, since it uses less digits than its factorization.
253403260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16314 (or 16312 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 25.
The square root of 253403260 is about 15918.6450428421. The cubic root of 253403260 is about 632.8062102123.
The spelling of 253403260 in words is "two hundred fifty-three million, four hundred three thousand, two hundred sixty".
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