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1680373000 = 23531680373
BaseRepresentation
bin110010000101000…
…0111010100001000
311100002220210102001
41210022013110020
511420133414000
6434424120344
756432635435
oct14412072410
94302823361
101680373000
11792588119
123aa9060b4
1320a196b67
1411d256b8c
159c7c846a
hex64287508

1680373000 has 32 divisors (see below), whose sum is σ = 3932075160. Its totient is φ = 672148800.

The previous prime is 1680372961. The next prime is 1680373033. The reversal of 1680373000 is 3730861.

It can be written as a sum of positive squares in 4 ways, for example, as 859779684 + 820593316 = 29322^2 + 28646^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1680373000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839187 + ... + 841186.

Almost surely, 21680373000 is an apocalyptic number.

1680373000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1680373000 is an abundant number, since it is smaller than the sum of its proper divisors (2251702160).

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

1680373000 is a wasteful number, since it uses less digits than its factorization.

1680373000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680394 (or 1680380 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1680373000 is about 40992.3529453970. The cubic root of 1680373000 is about 1188.8723635219.

The spelling of 1680373000 in words is "one billion, six hundred eighty million, three hundred seventy-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 1680373 3360746 6721492 8401865 13442984 16803730 33607460 42009325 67214920 84018650 168037300 210046625 336074600 420093250 840186500 1680373000