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319445027 = 1129040457
BaseRepresentation
bin10011000010100…
…101100000100011
3211021002111012022
4103002211200203
51123234220102
651410452055
710626144416
oct2302454043
9737074168
10319445027
11154355860
128ab9402b
1351248735
14305d5b7d
151d0a05a2
hex130a5823

319445027 has 4 divisors (see below), whose sum is σ = 348485496. Its totient is φ = 290404560.

The previous prime is 319445003. The next prime is 319445029. The reversal of 319445027 is 720544913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720544913 = 1165504083.

It is a cyclic number.

It is not a de Polignac number, because 319445027 - 210 = 319444003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319445029) 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, 14520218 + ... + 14520239.

It is an arithmetic number, because the mean of its divisors is an integer number (87121374).

Almost surely, 2319445027 is an apocalyptic number.

319445027 is a deficient number, since it is larger than the sum of its proper divisors (29040469).

319445027 is a wasteful number, since it uses less digits than its factorization.

319445027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29040468.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 319445027 is about 17873.0251216743. The cubic root of 319445027 is about 683.5947371629.

The spelling of 319445027 in words is "three hundred nineteen million, four hundred forty-five thousand, twenty-seven".

Divisors: 1 11 29040457 319445027