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1057871429 is a prime number
BaseRepresentation
bin111111000011011…
…101011001000101
32201201120102210022
4333003131121011
54131303341204
6252545504525
735133521156
oct7703353105
92651512708
101057871429
114a316050a
12256342145
1313b220334
14a06d392d
1562d135be
hex3f0dd645

1057871429 has 2 divisors, whose sum is σ = 1057871430. Its totient is φ = 1057871428.

The previous prime is 1057871411. The next prime is 1057871431. The reversal of 1057871429 is 9241787501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 650760100 + 407111329 = 25510^2 + 20177^2 .

It is a cyclic number.

It is not a de Polignac number, because 1057871429 - 28 = 1057871173 is a prime.

It is a super-2 number, since 2×10578714292 = 2238183920589004082, which contains 22 as substring.

Together with 1057871431, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1057871429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1057871489) 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, 528935714 + 528935715.

It is an arithmetic number, because the mean of its divisors is an integer number (528935715).

Almost surely, 21057871429 is an apocalyptic number.

It is an amenable number.

1057871429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057871429 is an equidigital number, since it uses as much as digits as its factorization.

1057871429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 1057871429 is about 32524.9354957085. The cubic root of 1057871429 is about 1018.9298750523.

The spelling of 1057871429 in words is "one billion, fifty-seven million, eight hundred seventy-one thousand, four hundred twenty-nine".