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168028422 = 2328004737
BaseRepresentation
bin10100000001111…
…10100100000110
3102201011201122220
422000332210012
5321003402142
624401233210
74110134532
oct1200764406
9381151586
10168028422
1186936271
1248332806
1328a71b03
141845cbc2
15eb412ec
hexa03e906

168028422 has 8 divisors (see below), whose sum is σ = 336056856. Its totient is φ = 56009472.

The previous prime is 168028417. The next prime is 168028423. The reversal of 168028422 is 224820861.

It is a happy number.

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

168028422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168028423) 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 3 ways as a sum of consecutive naturals, for example, 14002363 + ... + 14002374.

It is an arithmetic number, because the mean of its divisors is an integer number (42007107).

Almost surely, 2168028422 is an apocalyptic number.

168028422 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.

168028422 is a wasteful number, since it uses less digits than its factorization.

168028422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28004742.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 168028422 is about 12962.5777529008. The cubic root of 168028422 is about 551.8159502450.

The spelling of 168028422 in words is "one hundred sixty-eight million, twenty-eight thousand, four hundred twenty-two".

Divisors: 1 2 3 6 28004737 56009474 84014211 168028422