Base | Representation |
---|---|
bin | 11110001101001… |
… | …00001100111011 |
3 | 122122210000011202 |
4 | 33012210030323 |
5 | 1004331120022 |
6 | 41050444415 |
7 | 6164455262 |
oct | 1706441473 |
9 | 578700152 |
10 | 253379387 |
11 | 120031758 |
12 | 70a3370b |
13 | 40656941 |
14 | 259195d9 |
15 | 173a0592 |
hex | f1a433b |
253379387 has 2 divisors, whose sum is σ = 253379388. Its totient is φ = 253379386.
The previous prime is 253379377. The next prime is 253379393. The reversal of 253379387 is 783973352.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-253379387 is a prime.
It is a super-2 number, since 2×2533793872 = 128402227512991538, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (253379377) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126689693 + 126689694.
It is an arithmetic number, because the mean of its divisors is an integer number (126689694).
Almost surely, 2253379387 is an apocalyptic number.
253379387 is a deficient number, since it is larger than the sum of its proper divisors (1).
253379387 is an equidigital number, since it uses as much as digits as its factorization.
253379387 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 952560, while the sum is 47.
The square root of 253379387 is about 15917.8951812104. The cubic root of 253379387 is about 632.7863374647.
The spelling of 253379387 in words is "two hundred fifty-three million, three hundred seventy-nine thousand, three hundred eighty-seven".
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