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1056000557 is a prime number
BaseRepresentation
bin111110111100010…
…100101000101101
32201121001101102202
4332330110220231
54130314004212
6252441431245
735111566553
oct7674245055
92647041382
101056000557
114a20a2937
1225579b525
1313aa16901
14a0367bd3
1562a940c2
hex3ef14a2d

1056000557 has 2 divisors, whose sum is σ = 1056000558. Its totient is φ = 1056000556.

The previous prime is 1056000527. The next prime is 1056000571. The reversal of 1056000557 is 7550006501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 881258596 + 174741961 = 29686^2 + 13219^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056000557 - 214 = 1055984173 is a prime.

It is a super-2 number, since 2×10560005572 = 2230274352768620498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056000527) 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, 528000278 + 528000279.

It is an arithmetic number, because the mean of its divisors is an integer number (528000279).

Almost surely, 21056000557 is an apocalyptic number.

It is an amenable number.

1056000557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056000557 is an equidigital number, since it uses as much as digits as its factorization.

1056000557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 1056000557 is about 32496.1621887878. The cubic root of 1056000557 is about 1018.3288529751.

The spelling of 1056000557 in words is "one billion, fifty-six million, five hundred fifty-seven", and thus it is an aban number.