Base | Representation |
---|---|
bin | 11110010001000… |
… | …00010101101100 |
3 | 122200201211122210 |
4 | 33020200111230 |
5 | 1004443402402 |
6 | 41105410420 |
7 | 6202003551 |
oct | 1710402554 |
9 | 580654583 |
10 | 253887852 |
11 | 120349779 |
12 | 71039a10 |
13 | 407a41ca |
14 | 25a0ca28 |
15 | 1745106c |
hex | f22056c |
253887852 has 48 divisors (see below), whose sum is σ = 599770080. Its totient is φ = 83584512.
The previous prime is 253887791. The next prime is 253887853. The reversal of 253887852 is 258788352.
It is not an unprimeable number, because it can be changed into a prime (253887853) 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, 639318 + ... + 639714.
It is an arithmetic number, because the mean of its divisors is an integer number (12495210).
Almost surely, 2253887852 is an apocalyptic number.
It is an amenable number.
253887852 is an abundant number, since it is smaller than the sum of its proper divisors (345882228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253887852 is a wasteful number, since it uses less digits than its factorization.
253887852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 930 (or 928 counting only the distinct ones).
The product of its digits is 1075200, while the sum is 48.
The square root of 253887852 is about 15933.8586663746. The cubic root of 253887852 is about 633.2093325717.
The spelling of 253887852 in words is "two hundred fifty-three million, eight hundred eighty-seven thousand, eight hundred fifty-two".
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