Base | Representation |
---|---|
bin | 11110001011111… |
… | …01010011010100 |
3 | 122122110220121110 |
4 | 33011331103110 |
5 | 1004311020202 |
6 | 41043215020 |
7 | 6163222611 |
oct | 1705752324 |
9 | 578426543 |
10 | 253220052 |
11 | 11aa32a78 |
12 | 70977470 |
13 | 405cc267 |
14 | 258b7508 |
15 | 1736d26c |
hex | f17d4d4 |
253220052 has 48 divisors (see below), whose sum is σ = 604360512. Its totient is φ = 82498560.
The previous prime is 253220027. The next prime is 253220069. The reversal of 253220052 is 250022352.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95302 + ... + 97922.
It is an arithmetic number, because the mean of its divisors is an integer number (12590844).
Almost surely, 2253220052 is an apocalyptic number.
It is an amenable number.
253220052 is an abundant number, since it is smaller than the sum of its proper divisors (351140460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
253220052 is a wasteful number, since it uses less digits than its factorization.
253220052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2808 (or 2806 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 21.
The square root of 253220052 is about 15912.8894924838. The cubic root of 253220052 is about 632.6536692764.
The spelling of 253220052 in words is "two hundred fifty-three million, two hundred twenty thousand, fifty-two".
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