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842683689 = 3357754091
BaseRepresentation
bin110010001110100…
…101010100101001
32011201122202201000
4302032211110221
53211211334224
6215341345213
726611456521
oct6216452451
92151582630
10842683689
113a2744801
121b6268209
13105779103
147dcba681
154dea90c9
hex323a5529

842683689 has 16 divisors (see below), whose sum is σ = 1250607040. Its totient is φ = 560805120.

The previous prime is 842683679. The next prime is 842683739. The reversal of 842683689 is 986386248.

It is not a de Polignac number, because 842683689 - 27 = 842683561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (842683679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11467 + ... + 42624.

It is an arithmetic number, because the mean of its divisors is an integer number (78162940).

Almost surely, 2842683689 is an apocalyptic number.

It is an amenable number.

842683689 is a deficient number, since it is larger than the sum of its proper divisors (407923351).

842683689 is a wasteful number, since it uses less digits than its factorization.

842683689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54677 (or 54671 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The square root of 842683689 is about 29029.0146060799. The cubic root of 842683689 is about 944.5425551190.

The spelling of 842683689 in words is "eight hundred forty-two million, six hundred eighty-three thousand, six hundred eighty-nine".

Divisors: 1 3 9 27 577 1731 5193 15579 54091 162273 486819 1460457 31210507 93631521 280894563 842683689