Base | Representation |
---|---|
bin | 11110010000111… |
… | …11101111001010 |
3 | 122200201201021110 |
4 | 33020133233022 |
5 | 1004443313021 |
6 | 41105351150 |
7 | 6201663426 |
oct | 1710375712 |
9 | 580651243 |
10 | 253885386 |
11 | 120347937 |
12 | 710384b6 |
13 | 407a3051 |
14 | 25a0bb86 |
15 | 17450476 |
hex | f21fbca |
253885386 has 32 divisors (see below), whose sum is σ = 518606208. Its totient is φ = 82840320.
The previous prime is 253885369. The next prime is 253885397. The reversal of 253885386 is 683588352.
253885386 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57891 + ... + 62121.
It is an arithmetic number, because the mean of its divisors is an integer number (16206444).
Almost surely, 2253885386 is an apocalyptic number.
253885386 is an abundant number, since it is smaller than the sum of its proper divisors (264720822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253885386 is a wasteful number, since it uses less digits than its factorization.
253885386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4446.
The product of its digits is 1382400, while the sum is 48.
The square root of 253885386 is about 15933.7812838008. The cubic root of 253885386 is about 633.2072824548.
The spelling of 253885386 in words is "two hundred fifty-three million, eight hundred eighty-five thousand, three hundred eighty-six".
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