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1683844934 = 21789556459
BaseRepresentation
bin110010001011101…
…0110111101000110
311100100110012000012
41210113112331012
511422031014214
6435030350222
756504305622
oct14427267506
94310405005
101683844934
11794539692
123ababb372
1320ab11265
1411d8bc182
159cc6203e
hex645d6f46

1683844934 has 16 divisors (see below), whose sum is σ = 2704395600. Its totient is φ = 783492864.

The previous prime is 1683844919. The next prime is 1683844957. The reversal of 1683844934 is 4394483861.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275204 + ... + 281255.

It is an arithmetic number, because the mean of its divisors is an integer number (169024725).

Almost surely, 21683844934 is an apocalyptic number.

1683844934 is a deficient number, since it is larger than the sum of its proper divisors (1020550666).

1683844934 is a wasteful number, since it uses less digits than its factorization.

1683844934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556567.

The product of its digits is 1990656, while the sum is 50.

The square root of 1683844934 is about 41034.6796502666. The cubic root of 1683844934 is about 1189.6906038387.

The spelling of 1683844934 in words is "one billion, six hundred eighty-three million, eight hundred forty-four thousand, nine hundred thirty-four".

Divisors: 1 2 17 34 89 178 1513 3026 556459 1112918 9459803 18919606 49524851 99049702 841922467 1683844934