Base | Representation |
---|---|
bin | 11110000100110… |
… | …01100011111001 |
3 | 122120201112000022 |
4 | 33002121203321 |
5 | 1004041142400 |
6 | 41011220225 |
7 | 6152256161 |
oct | 1702314371 |
9 | 576645008 |
10 | 252287225 |
11 | 11a456143 |
12 | 705a7675 |
13 | 403637a8 |
14 | 257135a1 |
15 | 17236b85 |
hex | f0998f9 |
252287225 has 48 divisors (see below), whose sum is σ = 352656000. Its totient is φ = 177914880.
The previous prime is 252287219. The next prime is 252287237. The reversal of 252287225 is 522782252.
It is not a de Polignac number, because 252287225 - 226 = 185178361 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1267676 + ... + 1267874.
It is an arithmetic number, because the mean of its divisors is an integer number (7347000).
Almost surely, 2252287225 is an apocalyptic number.
252287225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
252287225 is a deficient number, since it is larger than the sum of its proper divisors (100368775).
252287225 is a wasteful number, since it uses less digits than its factorization.
252287225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 402 (or 397 counting only the distinct ones).
The product of its digits is 44800, while the sum is 35.
The square root of 252287225 is about 15883.5520271758. The cubic root of 252287225 is about 631.8758443624.
The spelling of 252287225 in words is "two hundred fifty-two million, two hundred eighty-seven thousand, two hundred twenty-five".
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