Base | Representation |
---|---|
bin | 11110000011100… |
… | …01110000111001 |
3 | 122120102020101222 |
4 | 33001301300321 |
5 | 1004020433332 |
6 | 41003521425 |
7 | 6151010012 |
oct | 1701616071 |
9 | 576366358 |
10 | 252124217 |
11 | 11a354724 |
12 | 70529275 |
13 | 40307537 |
14 | 256b0009 |
15 | 17203712 |
hex | f071c39 |
252124217 has 2 divisors, whose sum is σ = 252124218. Its totient is φ = 252124216.
The previous prime is 252124181. The next prime is 252124267. The reversal of 252124217 is 712421252.
252124217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 241522681 + 10601536 = 15541^2 + 3256^2 .
It is a cyclic number.
It is not a de Polignac number, because 252124217 - 26 = 252124153 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (252124267) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126062108 + 126062109.
It is an arithmetic number, because the mean of its divisors is an integer number (126062109).
Almost surely, 2252124217 is an apocalyptic number.
It is an amenable number.
252124217 is a deficient number, since it is larger than the sum of its proper divisors (1).
252124217 is an equidigital number, since it uses as much as digits as its factorization.
252124217 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2240, while the sum is 26.
The square root of 252124217 is about 15878.4198521137. The cubic root of 252124217 is about 631.7397256862.
Adding to 252124217 its reverse (712421252), we get a palindrome (964545469).
The spelling of 252124217 in words is "two hundred fifty-two million, one hundred twenty-four thousand, two hundred seventeen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •