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163085842 = 24312291543
BaseRepresentation
bin10011011100001…
…11111000010010
3102100212121201101
421232013320102
5313222221332
624103255014
74020130633
oct1156077022
9370777641
10163085842
118406a897
124674a46a
1327a311ca
141793388a
15e4b6ae7
hex9b87e12

163085842 has 16 divisors (see below), whose sum is σ = 250683840. Its totient is φ = 79530192.

The previous prime is 163085837. The next prime is 163085843. The reversal of 163085842 is 248580361.

It is a happy number.

163085842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (163085843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104923 + ... + 106465.

It is an arithmetic number, because the mean of its divisors is an integer number (15667740).

Almost surely, 2163085842 is an apocalyptic number.

163085842 is a deficient number, since it is larger than the sum of its proper divisors (87597998).

163085842 is a wasteful number, since it uses less digits than its factorization.

163085842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 163085842 is about 12770.5067244804. The cubic root of 163085842 is about 546.3514332842.

The spelling of 163085842 in words is "one hundred sixty-three million, eighty-five thousand, eight hundred forty-two".

Divisors: 1 2 43 86 1229 1543 2458 3086 52847 66349 105694 132698 1896347 3792694 81542921 163085842