Base | Representation |
---|---|
bin | 111111000011101… |
… | …000000111011101 |
3 | 2201201122200001021 |
4 | 333003220013131 |
5 | 4131311242412 |
6 | 252550444141 |
7 | 35134063222 |
oct | 7703500735 |
9 | 2651580037 |
10 | 1057915357 |
11 | 4a3190514 |
12 | 256363651 |
13 | 13b237325 |
14 | a0705949 |
15 | 62d21607 |
hex | 3f0e81dd |
1057915357 has 2 divisors, whose sum is σ = 1057915358. Its totient is φ = 1057915356.
The previous prime is 1057915319. The next prime is 1057915363. The reversal of 1057915357 is 7535197501.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1057160196 + 755161 = 32514^2 + 869^2 .
It is a cyclic number.
It is not a de Polignac number, because 1057915357 - 223 = 1049526749 is a prime.
It is a super-2 number, since 2×10579153572 = 2238369805152874898, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1057915367) 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, 528957678 + 528957679.
It is an arithmetic number, because the mean of its divisors is an integer number (528957679).
Almost surely, 21057915357 is an apocalyptic number.
It is an amenable number.
1057915357 is a deficient number, since it is larger than the sum of its proper divisors (1).
1057915357 is an equidigital number, since it uses as much as digits as its factorization.
1057915357 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 165375, while the sum is 43.
The square root of 1057915357 is about 32525.6107859637. The cubic root of 1057915357 is about 1018.9439785091.
The spelling of 1057915357 in words is "one billion, fifty-seven million, nine hundred fifteen thousand, three hundred fifty-seven".
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