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1030881056 = 25229140677
BaseRepresentation
bin111101011100011…
…111111100100000
32122211210011221212
4331130133330200
54102401143211
6250143205252
734355226062
oct7534377440
92584704855
101030881056
114899a6217
122492a6828
131357601ba
149aca9732
156078138b
hex3d71ff20

1030881056 has 24 divisors (see below), whose sum is σ = 2038424220. Its totient is φ = 513186048.

The previous prime is 1030881031. The next prime is 1030881073. The reversal of 1030881056 is 6501880301.

It can be written as a sum of positive squares in 2 ways, for example, as 1018631056 + 12250000 = 31916^2 + 3500^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63011 + ... + 77666.

Almost surely, 21030881056 is an apocalyptic number.

1030881056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1030881056 is a deficient number, since it is larger than the sum of its proper divisors (1007543164).

1030881056 is a wasteful number, since it uses less digits than its factorization.

1030881056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140916 (or 140908 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 1030881056 is about 32107.3364824926. The cubic root of 1030881056 is about 1010.1895066423.

The spelling of 1030881056 in words is "one billion, thirty million, eight hundred eighty-one thousand, fifty-six".

Divisors: 1 2 4 8 16 32 229 458 916 1832 3664 7328 140677 281354 562708 1125416 2250832 4501664 32215033 64430066 128860132 257720264 515440528 1030881056