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1680283080 = 23325731137157
BaseRepresentation
bin110010000100111…
…0001010111001000
311100002202020001200
41210021301113020
511420123024310
6434422144200
756432112330
oct14411612710
94302666050
101680283080
11792526603
123aa882060
1320a164c58
1411d2320c0
159c7ab9c0
hex642715c8

1680283080 has 384 divisors, whose sum is σ = 6530734080. Its totient is φ = 366612480.

The previous prime is 1680283057. The next prime is 1680283091. The reversal of 1680283080 is 803820861.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10702362 + ... + 10702518.

It is an arithmetic number, because the mean of its divisors is an integer number (17007120).

Almost surely, 21680283080 is an apocalyptic number.

1680283080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1680283080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3265367040).

1680283080 is an abundant number, since it is smaller than the sum of its proper divisors (4850451000).

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

1680283080 is a wasteful number, since it uses less digits than its factorization.

1680283080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1680283080 is about 40991.2561407918. The cubic root of 1680283080 is about 1188.8511568593.

The spelling of 1680283080 in words is "one billion, six hundred eighty million, two hundred eighty-three thousand, eighty".