Base | Representation |
---|---|
bin | 11110010000100… |
… | …10011011000011 |
3 | 122200121221110122 |
4 | 33020102123003 |
5 | 1004440041401 |
6 | 41104250455 |
7 | 6201345431 |
oct | 1710223303 |
9 | 580557418 |
10 | 253830851 |
11 | 12030a96a |
12 | 71010a2b |
13 | 40784291 |
14 | 259d5d51 |
15 | 1743e21b |
hex | f2126c3 |
253830851 has 2 divisors, whose sum is σ = 253830852. Its totient is φ = 253830850.
The previous prime is 253830827. The next prime is 253830853. The reversal of 253830851 is 158038352.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 253830851 - 222 = 249636547 is a prime.
Together with 253830853, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (253830853) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126915425 + 126915426.
It is an arithmetic number, because the mean of its divisors is an integer number (126915426).
Almost surely, 2253830851 is an apocalyptic number.
253830851 is a deficient number, since it is larger than the sum of its proper divisors (1).
253830851 is an equidigital number, since it uses as much as digits as its factorization.
253830851 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 28800, while the sum is 35.
The square root of 253830851 is about 15932.0698906325. The cubic root of 253830851 is about 633.1619412184.
The spelling of 253830851 in words is "two hundred fifty-three million, eight hundred thirty thousand, eight hundred fifty-one".
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