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1064700557 is a prime number
BaseRepresentation
bin111111011101100…
…000101010001101
32202012102101120222
4333131200222031
54140030404212
6253352121125
735245543154
oct7735405215
92665371528
101064700557
114a6aa5318
122586961a5
1313c77183b
14a159059b
1563711c72
hex3f760a8d

1064700557 has 2 divisors, whose sum is σ = 1064700558. Its totient is φ = 1064700556.

The previous prime is 1064700523. The next prime is 1064700589. The reversal of 1064700557 is 7550074601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1063477321 + 1223236 = 32611^2 + 1106^2 .

It is a cyclic number.

It is not a de Polignac number, because 1064700557 - 216 = 1064635021 is a prime.

It is a super-2 number, since 2×10647005572 = 2267174552152220498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1064709557) 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, 532350278 + 532350279.

It is an arithmetic number, because the mean of its divisors is an integer number (532350279).

Almost surely, 21064700557 is an apocalyptic number.

It is an amenable number.

1064700557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064700557 is an equidigital number, since it uses as much as digits as its factorization.

1064700557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 1064700557 is about 32629.7495699860. The cubic root of 1064700557 is about 1021.1177535954.

The spelling of 1064700557 in words is "one billion, sixty-four million, seven hundred thousand, five hundred fifty-seven".