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168609692 = 22165725439
BaseRepresentation
bin10100000110011…
…00011110011100
3102202021021000102
422003030132130
5321131002232
624421520232
74115105306
oct1203143634
9382237012
10168609692
11871a2a59
1248573078
1328c16564
1418570976
15ec08662
hexa0cc79c

168609692 has 12 divisors (see below), whose sum is σ = 295256640. Its totient is φ = 84250656.

The previous prime is 168609691. The next prime is 168609697. The reversal of 168609692 is 296906861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168609691) by changing a digit.

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, 6092 + ... + 19347.

It is an arithmetic number, because the mean of its divisors is an integer number (24604720).

Almost surely, 2168609692 is an apocalyptic number.

It is an amenable number.

168609692 is a deficient number, since it is larger than the sum of its proper divisors (126646948).

168609692 is a wasteful number, since it uses less digits than its factorization.

168609692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27100 (or 27098 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 168609692 is about 12984.9794763026. The cubic root of 168609692 is about 552.4515270428.

The spelling of 168609692 in words is "one hundred sixty-eight million, six hundred nine thousand, six hundred ninety-two".

Divisors: 1 2 4 1657 3314 6628 25439 50878 101756 42152423 84304846 168609692