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1683884689 = 37372712211
BaseRepresentation
bin110010001011110…
…0000101010010001
311100100112012112121
41210113200222101
511422033302224
6435031254241
756504532544
oct14427405221
94310465477
101683884689
11794566543
123abb1a381
1320ab26396
1411d8cc85b
159cc6dbe4
hex645e0a91

1683884689 has 8 divisors (see below), whose sum is σ = 1730000768. Its totient is φ = 1637800560.

The previous prime is 1683884659. The next prime is 1683884701. The reversal of 1683884689 is 9864883861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1683884689 - 213 = 1683876497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1683884659) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 131794 + ... + 144004.

It is an arithmetic number, because the mean of its divisors is an integer number (216250096).

Almost surely, 21683884689 is an apocalyptic number.

It is an amenable number.

1683884689 is a deficient number, since it is larger than the sum of its proper divisors (46116079).

1683884689 is a wasteful number, since it uses less digits than its factorization.

1683884689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15975.

The product of its digits is 15925248, while the sum is 61.

The square root of 1683884689 is about 41035.1640547470. The cubic root of 1683884689 is about 1189.6999664937.

The spelling of 1683884689 in words is "one billion, six hundred eighty-three million, eight hundred eighty-four thousand, six hundred eighty-nine".

Divisors: 1 37 3727 12211 137899 451807 45510397 1683884689