Base | Representation |
---|---|
bin | 11110001001010… |
… | …01110110010110 |
3 | 122121211112201101 |
4 | 33010221312112 |
5 | 1004214100410 |
6 | 41032020314 |
7 | 6160300213 |
oct | 1704516626 |
9 | 577745641 |
10 | 252878230 |
11 | 11a81a180 |
12 | 7083169a |
13 | 4050c7b7 |
14 | 25828b0a |
15 | 17301d3a |
hex | f129d96 |
252878230 has 64 divisors (see below), whose sum is σ = 528768000. Its totient is φ = 86054400.
The previous prime is 252878221. The next prime is 252878237. The reversal of 252878230 is 32878252.
It is a self number, because there is not a number n which added to its sum of digits gives 252878230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252878237) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506521 + ... + 507019.
It is an arithmetic number, because the mean of its divisors is an integer number (8262000).
Almost surely, 2252878230 is an apocalyptic number.
252878230 is an abundant number, since it is smaller than the sum of its proper divisors (275889770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252878230 is a wasteful number, since it uses less digits than its factorization.
252878230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 805.
The product of its (nonzero) digits is 53760, while the sum is 37.
The square root of 252878230 is about 15902.1454527369. The cubic root of 252878230 is about 632.3688678142.
The spelling of 252878230 in words is "two hundred fifty-two million, eight hundred seventy-eight thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.102 sec. • engine limits •