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1022800868 = 22757337781
BaseRepresentation
bin111100111101101…
…011001111100100
32122021120200000122
4330331223033210
54043314111433
6245254101112
734226443505
oct7475531744
92567520018
101022800868
11485387481
1224664a798
13133b9141b
1499ba4bac
155ebd7198
hex3cf6b3e4

1022800868 has 12 divisors (see below), whose sum is σ = 1792271292. Its totient is φ = 510723360.

The previous prime is 1022800859. The next prime is 1022800871. The reversal of 1022800868 is 8680082201.

It can be written as a sum of positive squares in 2 ways, for example, as 234763684 + 788037184 = 15322^2 + 28072^2 .

It is a super-2 number, since 2×10228008682 = 2092243231163106848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165863 + ... + 171918.

It is an arithmetic number, because the mean of its divisors is an integer number (149355941).

Almost surely, 21022800868 is an apocalyptic number.

It is an amenable number.

1022800868 is a deficient number, since it is larger than the sum of its proper divisors (769470424).

1022800868 is a wasteful number, since it uses less digits than its factorization.

1022800868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338542 (or 338540 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 1022800868 is about 31981.2580740658. The cubic root of 1022800868 is about 1007.5432457059.

The spelling of 1022800868 in words is "one billion, twenty-two million, eight hundred thousand, eight hundred sixty-eight".

Divisors: 1 2 4 757 1514 3028 337781 675562 1351124 255700217 511400434 1022800868