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168495806 = 21716193061
BaseRepresentation
bin10100000101100…
…00101010111110
3102202001110210102
422002300222332
5321113331211
624415241102
74114122263
oct1202605276
9382043712
10168495806
1187125436
1248519192
1328ba677b
141854126a
15ebd4a3b
hexa0b0abe

168495806 has 16 divisors (see below), whose sum is σ = 267863760. Its totient is φ = 79217280.

The previous prime is 168495791. The next prime is 168495839. The reversal of 168495806 is 608594861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53516 + ... + 56576.

It is an arithmetic number, because the mean of its divisors is an integer number (16741485).

Almost surely, 2168495806 is an apocalyptic number.

168495806 is a deficient number, since it is larger than the sum of its proper divisors (99367954).

168495806 is a wasteful number, since it uses less digits than its factorization.

168495806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 168495806 is about 12980.5934378980. The cubic root of 168495806 is about 552.3271161136.

The spelling of 168495806 in words is "one hundred sixty-eight million, four hundred ninety-five thousand, eight hundred six".

Divisors: 1 2 17 34 1619 3061 3238 6122 27523 52037 55046 104074 4955759 9911518 84247903 168495806