Base | Representation |
---|---|
bin | 11110001000100… |
… | …00101000000000 |
3 | 122121122021222210 |
4 | 33010100220000 |
5 | 1004202244122 |
6 | 41025502120 |
7 | 6156360045 |
oct | 1704205000 |
9 | 577567883 |
10 | 252774912 |
11 | 11a759595 |
12 | 707a1940 |
13 | 404a4770 |
14 | 257dd1cc |
15 | 172d140c |
hex | f110a00 |
252774912 has 80 divisors (see below), whose sum is σ = 725266080. Its totient is φ = 77770752.
The previous prime is 252774889. The next prime is 252774931. The reversal of 252774912 is 219477252.
It is a super-2 number, since 2×2527749122 = 127790312273215488, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13639 + ... + 26297.
It is an arithmetic number, because the mean of its divisors is an integer number (9065826).
Almost surely, 2252774912 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 252774912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362633040).
252774912 is an abundant number, since it is smaller than the sum of its proper divisors (472491168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252774912 is a wasteful number, since it uses less digits than its factorization.
252774912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12693 (or 12677 counting only the distinct ones).
The product of its digits is 70560, while the sum is 39.
The square root of 252774912 is about 15898.8965654853. The cubic root of 252774912 is about 632.2827341487.
The spelling of 252774912 in words is "two hundred fifty-two million, seven hundred seventy-four thousand, nine hundred twelve".
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