Base | Representation |
---|---|
bin | 11110000101110… |
… | …00001111010101 |
3 | 122120221220101101 |
4 | 33002320033111 |
5 | 1004104203020 |
6 | 41014030101 |
7 | 6153321424 |
oct | 1702701725 |
9 | 576856341 |
10 | 252412885 |
11 | 11a53159a |
12 | 70648331 |
13 | 403a8a4a |
14 | 257472bb |
15 | 1725e00a |
hex | f0b83d5 |
252412885 has 4 divisors (see below), whose sum is σ = 302895468. Its totient is φ = 201930304.
The previous prime is 252412873. The next prime is 252412907. The reversal of 252412885 is 588214252.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 156725361 + 95687524 = 12519^2 + 9782^2 .
It is a cyclic number.
It is not a de Polignac number, because 252412885 - 219 = 251888597 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25241284 + ... + 25241293.
It is an arithmetic number, because the mean of its divisors is an integer number (75723867).
Almost surely, 2252412885 is an apocalyptic number.
It is an amenable number.
252412885 is a deficient number, since it is larger than the sum of its proper divisors (50482583).
252412885 is an equidigital number, since it uses as much as digits as its factorization.
252412885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50482582.
The product of its digits is 51200, while the sum is 37.
The square root of 252412885 is about 15887.5071990542. The cubic root of 252412885 is about 631.9807358399.
The spelling of 252412885 in words is "two hundred fifty-two million, four hundred twelve thousand, eight hundred eighty-five".
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