Base | Representation |
---|---|
bin | 11110010000110… |
… | …00110101101010 |
3 | 122200200021111221 |
4 | 33020120311222 |
5 | 1004441412010 |
6 | 41105012254 |
7 | 6201515152 |
oct | 1710306552 |
9 | 580607457 |
10 | 253857130 |
11 | 12032868a |
12 | 7102408a |
13 | 40793227 |
14 | 25a01762 |
15 | 17446dda |
hex | f218d6a |
253857130 has 8 divisors (see below), whose sum is σ = 456942852. Its totient is φ = 101542848.
The previous prime is 253857127. The next prime is 253857143. The reversal of 253857130 is 31758352.
253857130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 238980681 + 14876449 = 15459^2 + 3857^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12692847 + ... + 12692866.
Almost surely, 2253857130 is an apocalyptic number.
253857130 is a deficient number, since it is larger than the sum of its proper divisors (203085722).
253857130 is a wasteful number, since it uses less digits than its factorization.
253857130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25385720.
The product of its (nonzero) digits is 25200, while the sum is 34.
The square root of 253857130 is about 15932.8945894963. The cubic root of 253857130 is about 633.1837907932.
The spelling of 253857130 in words is "two hundred fifty-three million, eight hundred fifty-seven thousand, one hundred thirty".
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