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168800538 = 2328133423
BaseRepresentation
bin10100000111110…
…11000100011010
3102202121221210210
422003323010122
5321203104123
624425551550
74116531564
oct1203730432
9382557723
10168800538
1187313385
12486455b6
1328c8239a
14185c0334
15ec44e93
hexa0fb11a

168800538 has 8 divisors (see below), whose sum is σ = 337601088. Its totient is φ = 56266844.

The previous prime is 168800491. The next prime is 168800551. The reversal of 168800538 is 835008861.

It is a happy number.

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

168800538 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 168800496 and 168800505.

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, 14066706 + ... + 14066717.

It is an arithmetic number, because the mean of its divisors is an integer number (42200136).

Almost surely, 2168800538 is an apocalyptic number.

168800538 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.

168800538 is a wasteful number, since it uses less digits than its factorization.

168800538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28133428.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 168800538 is about 12992.3261196754. The cubic root of 168800538 is about 552.6598847962.

The spelling of 168800538 in words is "one hundred sixty-eight million, eight hundred thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 28133423 56266846 84400269 168800538