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1057074768 = 243213215557
BaseRepresentation
bin111111000000011…
…010111001010000
32201200001221222100
4333000122321100
54131102343033
6252520440400
735123662431
oct7700327120
92650057870
101057074768
114a2766a12
12256019100
1313b001839
14a0567488
1562c07513
hex3f01ae50

1057074768 has 60 divisors (see below), whose sum is σ = 2961113428. Its totient is φ = 352028160.

The previous prime is 1057074761. The next prime is 1057074769. The reversal of 1057074768 is 8674707501.

1057074768 is a `hidden beast` number, since 1 + 0 + 570 + 7 + 4 + 76 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 987719184 + 69355584 = 31428^2 + 8328^2 .

It is a super-2 number, since 2×10570747682 = 2234814130284507648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057074761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187446 + ... + 193002.

Almost surely, 21057074768 is an apocalyptic number.

1057074768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1057074768 is an abundant number, since it is smaller than the sum of its proper divisors (1904038660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1057074768 is a wasteful number, since it uses less digits than its factorization.

1057074768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6892 (or 6883 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The square root of 1057074768 is about 32512.6862624422. The cubic root of 1057074768 is about 1018.6740325101.

The spelling of 1057074768 in words is "one billion, fifty-seven million, seventy-four thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 1321 2642 3963 5284 5557 7926 10568 11114 11889 15852 16671 21136 22228 23778 31704 33342 44456 47556 50013 63408 66684 88912 95112 100026 133368 190224 200052 266736 400104 800208 7340797 14681594 22022391 29363188 44044782 58726376 66067173 88089564 117452752 132134346 176179128 264268692 352358256 528537384 1057074768