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168880146 = 2328146691
BaseRepresentation
bin10100001000011…
…10100000010010
3102202210000000020
422010032200102
5321213131041
624431404310
74120312641
oct1204164022
9382700006
10168880146
1187368176
1248683696
1328cac6a6
1418601358
15ec5d866
hexa10e812

168880146 has 8 divisors (see below), whose sum is σ = 337760304. Its totient is φ = 56293380.

The previous prime is 168880141. The next prime is 168880163. The reversal of 168880146 is 641088861.

It is a sphenic number, since it is the product of 3 distinct primes.

168880146 is an admirable number.

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 junction number, because it is equal to n+sod(n) for n = 168880098 and 168880107.

It is not an unprimeable number, because it can be changed into a prime (168880141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14073340 + ... + 14073351.

It is an arithmetic number, because the mean of its divisors is an integer number (42220038).

Almost surely, 2168880146 is an apocalyptic number.

168880146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

168880146 is a wasteful number, since it uses less digits than its factorization.

168880146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28146696.

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 168880146 is about 12995.3894131727. The cubic root of 168880146 is about 552.7467510944.

The spelling of 168880146 in words is "one hundred sixty-eight million, eight hundred eighty thousand, one hundred forty-six".

Divisors: 1 2 3 6 28146691 56293382 84440073 168880146