Base | Representation |
---|---|
bin | 11110000011111… |
… | …00001110101111 |
3 | 122120111102012202 |
4 | 33001330032233 |
5 | 1004023321322 |
6 | 41004452115 |
7 | 6151246004 |
oct | 1701741657 |
9 | 576442182 |
10 | 252167087 |
11 | 11a383957 |
12 | 7054a03b |
13 | 40320bc3 |
14 | 256c18ab |
15 | 17211292 |
hex | f07c3af |
252167087 has 2 divisors, whose sum is σ = 252167088. Its totient is φ = 252167086.
The previous prime is 252167077. The next prime is 252167089. The reversal of 252167087 is 780761252.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 252167087 - 222 = 247972783 is a prime.
Together with 252167089, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 252167087.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (252167089) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126083543 + 126083544.
It is an arithmetic number, because the mean of its divisors is an integer number (126083544).
Almost surely, 2252167087 is an apocalyptic number.
252167087 is a deficient number, since it is larger than the sum of its proper divisors (1).
252167087 is an equidigital number, since it uses as much as digits as its factorization.
252167087 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 47040, while the sum is 38.
The square root of 252167087 is about 15879.7697401442. The cubic root of 252167087 is about 631.7755296608.
The spelling of 252167087 in words is "two hundred fifty-two million, one hundred sixty-seven thousand, eighty-seven".
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