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168382086 = 2367741453
BaseRepresentation
bin10100000100101…
…00111010000110
3102201211200210120
422002110322012
5321101211321
624413002410
74113136605
oct1202247206
9381750716
10168382086
1187057a54
1248483406
1328b66a92
1418511a3c
15ebb0ec6
hexa094e86

168382086 has 16 divisors (see below), whose sum is σ = 337269744. Its totient is φ = 56043104.

The previous prime is 168382073. The next prime is 168382087. The reversal of 168382086 is 680283861.

168382086 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1683820862 = 56705053771422792, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168382087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16665 + ... + 24788.

It is an arithmetic number, because the mean of its divisors is an integer number (21079359).

Almost surely, 2168382086 is an apocalyptic number.

168382086 is an abundant number, since it is smaller than the sum of its proper divisors (168887658).

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

168382086 is a wasteful number, since it uses less digits than its factorization.

168382086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42135.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 168382086 is about 12976.2123133062. The cubic root of 168382086 is about 552.2028305759.

The spelling of 168382086 in words is "one hundred sixty-eight million, three hundred eighty-two thousand, eighty-six".

Divisors: 1 2 3 6 677 1354 2031 4062 41453 82906 124359 248718 28063681 56127362 84191043 168382086