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1682588868 = 223140215739
BaseRepresentation
bin110010001001010…
…0100010011000100
311100021002101000020
41210102210103010
511421220320433
6434543415140
756460524622
oct14422442304
94307071006
101682588868
11793860a14
123ab5b44b0
1320a79161c
1411d672512
159cab4cb3
hex644a44c4

1682588868 has 12 divisors (see below), whose sum is σ = 3926040720. Its totient is φ = 560862952.

The previous prime is 1682588863. The next prime is 1682588881. The reversal of 1682588868 is 8688852861.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×16825888682 = 5662210597435042848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1682588863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 70107858 + ... + 70107881.

It is an arithmetic number, because the mean of its divisors is an integer number (327170060).

Almost surely, 21682588868 is an apocalyptic number.

It is an amenable number.

1682588868 is an abundant number, since it is smaller than the sum of its proper divisors (2243451852).

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

1682588868 is a wasteful number, since it uses less digits than its factorization.

1682588868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140215746 (or 140215744 counting only the distinct ones).

The product of its digits is 11796480, while the sum is 60.

The square root of 1682588868 is about 41019.3718625724. The cubic root of 1682588868 is about 1189.3947132438.

The spelling of 1682588868 in words is "one billion, six hundred eighty-two million, five hundred eighty-eight thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 140215739 280431478 420647217 560862956 841294434 1682588868