Base | Representation |
---|---|
bin | 11110001011000… |
… | …01010100110100 |
3 | 122122021002102022 |
4 | 33011201110310 |
5 | 1004243333320 |
6 | 41040532312 |
7 | 6162234536 |
oct | 1705412464 |
9 | 578232368 |
10 | 253105460 |
11 | 11a964973 |
12 | 70921098 |
13 | 4058c05a |
14 | 25887856 |
15 | 17349325 |
hex | f161534 |
253105460 has 24 divisors (see below), whose sum is σ = 559497120. Its totient is φ = 95913504.
The previous prime is 253105459. The next prime is 253105487. The reversal of 253105460 is 64501352.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332654 + ... + 333413.
It is an arithmetic number, because the mean of its divisors is an integer number (23312380).
Almost surely, 2253105460 is an apocalyptic number.
253105460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
253105460 is an abundant number, since it is smaller than the sum of its proper divisors (306391660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253105460 is a wasteful number, since it uses less digits than its factorization.
253105460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 666095 (or 666093 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 26.
The square root of 253105460 is about 15909.2884818901. The cubic root of 253105460 is about 632.5582213483.
The spelling of 253105460 in words is "two hundred fifty-three million, one hundred five thousand, four hundred sixty".
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