Base | Representation |
---|---|
bin | 11110000100011… |
… | …10001111110101 |
3 | 122120122011110000 |
4 | 33002032033311 |
5 | 1004033202020 |
6 | 41010221513 |
7 | 6152004111 |
oct | 1702161765 |
9 | 576564400 |
10 | 252240885 |
11 | 11a424346 |
12 | 70584899 |
13 | 40348680 |
14 | 25700741 |
15 | 17228090 |
hex | f08e3f5 |
252240885 has 80 divisors (see below), whose sum is σ = 508362624. Its totient is φ = 118723968.
The previous prime is 252240853. The next prime is 252240913. The reversal of 252240885 is 588042252.
It is not a de Polignac number, because 252240885 - 25 = 252240853 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 120054 + ... + 122136.
Almost surely, 2252240885 is an apocalyptic number.
It is an amenable number.
252240885 is an abundant number, since it is smaller than the sum of its proper divisors (256121739).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252240885 is a wasteful number, since it uses less digits than its factorization.
252240885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2136 (or 2127 counting only the distinct ones).
The product of its (nonzero) digits is 51200, while the sum is 36.
The square root of 252240885 is about 15882.0932184646. The cubic root of 252240885 is about 631.8371544398.
The spelling of 252240885 in words is "two hundred fifty-two million, two hundred forty thousand, eight hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •