Base | Representation |
---|---|
bin | 11110001111110… |
… | …00011000000000 |
3 | 122200102112010010 |
4 | 33013320120000 |
5 | 1004423133120 |
6 | 41102104520 |
7 | 6200422404 |
oct | 1707703000 |
9 | 580375103 |
10 | 253724160 |
11 | 120247798 |
12 | 70b7b140 |
13 | 40747851 |
14 | 259a9104 |
15 | 1741c7e0 |
hex | f1f8600 |
253724160 has 80 divisors (see below), whose sum is σ = 811148976. Its totient is φ = 67657728.
The previous prime is 253724147. The next prime is 253724213. The reversal of 253724160 is 61427352.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a zygodrome in base 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8839 + ... + 24198.
Almost surely, 2253724160 is an apocalyptic number.
253724160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
253724160 is an abundant number, since it is smaller than the sum of its proper divisors (557424816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253724160 is an equidigital number, since it uses as much as digits as its factorization.
253724160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33063 (or 33047 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 30.
The square root of 253724160 is about 15928.7212292764. The cubic root of 253724160 is about 633.0732178983.
The spelling of 253724160 in words is "two hundred fifty-three million, seven hundred twenty-four thousand, one hundred sixty".
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