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8198423934 = 232584952861
BaseRepresentation
bin1111010001010101…
…00000010101111110
3210011100210002100220
413220222200111332
5113242244031214
63433304402210
7410110311411
oct75052402576
923140702326
108198423934
113527884278
121709776366
13a08697c2c
1457ab99b78
1532eb429a9
hex1e8aa057e

8198423934 has 16 divisors (see below), whose sum is σ = 16397792400. Its totient is φ = 2732650560.

The previous prime is 8198423923. The next prime is 8198423957. The reversal of 8198423934 is 4393248918.

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, 128664 + ... + 181524.

It is an arithmetic number, because the mean of its divisors is an integer number (1024862025).

Almost surely, 28198423934 is an apocalyptic number.

8198423934 is an abundant number, since it is smaller than the sum of its proper divisors (8199368466).

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

8198423934 is a wasteful number, since it uses less digits than its factorization.

8198423934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78715.

The product of its digits is 1492992, while the sum is 51.

The square root of 8198423934 is about 90545.1485944995. The cubic root of 8198423934 is about 2016.4004724742.

The spelling of 8198423934 in words is "eight billion, one hundred ninety-eight million, four hundred twenty-three thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 25849 51698 52861 77547 105722 155094 158583 317166 1366403989 2732807978 4099211967 8198423934