Base | Representation |
---|---|
bin | 111111000010011… |
… | …001010000111101 |
3 | 2201201001021000012 |
4 | 333002121100331 |
5 | 4131220424011 |
6 | 252535513005 |
7 | 35131246466 |
oct | 7702312075 |
9 | 2651037005 |
10 | 1057592381 |
11 | 4a2a8a89a |
12 | 256228765 |
13 | 13b153311 |
14 | a065dd6d |
15 | 62caaa8b |
hex | 3f09943d |
1057592381 has 2 divisors, whose sum is σ = 1057592382. Its totient is φ = 1057592380.
The previous prime is 1057592351. The next prime is 1057592399. The reversal of 1057592381 is 1832957501.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 587092900 + 470499481 = 24230^2 + 21691^2 .
It is a cyclic number.
It is not a de Polignac number, because 1057592381 - 26 = 1057592317 is a prime.
It is a super-2 number, since 2×10575923812 = 2237003288698498322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1057592351) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528796190 + 528796191.
It is an arithmetic number, because the mean of its divisors is an integer number (528796191).
Almost surely, 21057592381 is an apocalyptic number.
It is an amenable number.
1057592381 is a deficient number, since it is larger than the sum of its proper divisors (1).
1057592381 is an equidigital number, since it uses as much as digits as its factorization.
1057592381 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 75600, while the sum is 41.
The square root of 1057592381 is about 32520.6454579241. The cubic root of 1057592381 is about 1018.8402752074.
The spelling of 1057592381 in words is "one billion, fifty-seven million, five hundred ninety-two thousand, three hundred eighty-one".
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