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468968891 = 1579673089
BaseRepresentation
bin11011111100111…
…110010110111011
31012200110002101012
4123330332112323
51430024001031
6114311344135
714423112146
oct3374762673
91180402335
10468968891
112207a22a6
1211108204b
137620b9b1
14463d905d
152b288b2b
hex1bf3e5bb

468968891 has 8 divisors (see below), whose sum is σ = 472596960. Its totient is φ = 465349248.

The previous prime is 468968881. The next prime is 468968897. The reversal of 468968891 is 198869864.

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

It is a cyclic number.

It is not a de Polignac number, because 468968891 - 218 = 468706747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 468968891.

It is not an unprimeable number, because it can be changed into a prime (468968897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150275 + ... + 153363.

It is an arithmetic number, because the mean of its divisors is an integer number (59074620).

Almost surely, 2468968891 is an apocalyptic number.

468968891 is a deficient number, since it is larger than the sum of its proper divisors (3628069).

468968891 is a wasteful number, since it uses less digits than its factorization.

468968891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213.

The product of its digits is 5971968, while the sum is 59.

The square root of 468968891 is about 21655.6895757212. The cubic root of 468968891 is about 776.9290223799.

The spelling of 468968891 in words is "four hundred sixty-eight million, nine hundred sixty-eight thousand, eight hundred ninety-one".

Divisors: 1 157 967 3089 151819 484973 2987063 468968891