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1030928980 = 225192712971
BaseRepresentation
bin111101011100101…
…011101001010100
32122211212121200211
4331130223221110
54102404211410
6250144215204
734355515564
oct7534535124
92584777624
101030928980
11489a29224
1224930a504
13135778c63
149acbcda4
156079068a
hex3d72ba54

1030928980 has 24 divisors (see below), whose sum is σ = 2278896480. Its totient is φ = 390667680.

The previous prime is 1030928953. The next prime is 1030928981. The reversal of 1030928980 is 898290301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030928981) 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 in 7 ways as a sum of consecutive naturals, for example, 1356106 + ... + 1356865.

It is an arithmetic number, because the mean of its divisors is an integer number (94954020).

Almost surely, 21030928980 is an apocalyptic number.

1030928980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030928980 is an abundant number, since it is smaller than the sum of its proper divisors (1247967500).

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

1030928980 is a wasteful number, since it uses less digits than its factorization.

1030928980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712999 (or 2712997 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1030928980 is about 32108.0827830003. The cubic root of 1030928980 is about 1010.2051604275.

The spelling of 1030928980 in words is "one billion, thirty million, nine hundred twenty-eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 2712971 5425942 10851884 13564855 27129710 51546449 54259420 103092898 206185796 257732245 515464490 1030928980