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1057244641 is a prime number
BaseRepresentation
bin111111000001000…
…100010111100001
32201200101120222221
4333001010113201
54131123312031
6252524231041
735125300615
oct7701042741
92650346887
101057244641
114a2872602
1225609b481
1313b060c5b
14a05ad345
1562c3ca11
hex3f0445e1

1057244641 has 2 divisors, whose sum is σ = 1057244642. Its totient is φ = 1057244640.

The previous prime is 1057244627. The next prime is 1057244653. The reversal of 1057244641 is 1464427501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 954810000 + 102434641 = 30900^2 + 10121^2 .

It is a cyclic number.

It is not a de Polignac number, because 1057244641 - 29 = 1057244129 is a prime.

It is a super-2 number, since 2×10572446412 = 2235532461846437762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057244597 and 1057244606.

It is not a weakly prime, because it can be changed into another prime (1057044641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528622320 + 528622321.

It is an arithmetic number, because the mean of its divisors is an integer number (528622321).

Almost surely, 21057244641 is an apocalyptic number.

It is an amenable number.

1057244641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057244641 is an equidigital number, since it uses as much as digits as its factorization.

1057244641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 1057244641 is about 32515.2985685200. The cubic root of 1057244641 is about 1018.7285969082.

The spelling of 1057244641 in words is "one billion, fifty-seven million, two hundred forty-four thousand, six hundred forty-one".