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168885704 = 23131623901
BaseRepresentation
bin10100001000011…
…11110111001000
3102202210021122002
422010033313020
5321213320304
624431450132
74120335101
oct1204176710
9382707562
10168885704
1187371369
1248686948
1328cb2090
14186033a8
15ec6031e
hexa10fdc8

168885704 has 16 divisors (see below), whose sum is σ = 341019420. Its totient is φ = 77947200.

The previous prime is 168885677. The next prime is 168885749. The reversal of 168885704 is 407588861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 158709604 + 10176100 = 12598^2 + 3190^2 .

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 3 ways as a sum of consecutive naturals, for example, 811847 + ... + 812054.

Almost surely, 2168885704 is an apocalyptic number.

It is an amenable number.

168885704 is an abundant number, since it is smaller than the sum of its proper divisors (172133716).

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

168885704 is a wasteful number, since it uses less digits than its factorization.

168885704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623920 (or 1623916 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 47.

The square root of 168885704 is about 12995.6032564864. The cubic root of 168885704 is about 552.7528148282.

The spelling of 168885704 in words is "one hundred sixty-eight million, eight hundred eighty-five thousand, seven hundred four".

Divisors: 1 2 4 8 13 26 52 104 1623901 3247802 6495604 12991208 21110713 42221426 84442852 168885704