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19427095 = 57874937
BaseRepresentation
bin100101000011…
…0111100010111
31100112222222001
41022012330113
514433131340
61532220131
7324061522
oct112067427
940488861
1019427095
11aa69956
12660a647
13404272c
142819bb9
151a8b29a
hex1286f17

19427095 has 8 divisors (see below), whose sum is σ = 23346864. Its totient is φ = 15518784.

The previous prime is 19427081. The next prime is 19427113. The reversal of 19427095 is 59072491.

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 19427095 - 211 = 19425047 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1467 + ... + 6403.

It is an arithmetic number, because the mean of its divisors is an integer number (2918358).

Almost surely, 219427095 is an apocalyptic number.

19427095 is a deficient number, since it is larger than the sum of its proper divisors (3919769).

19427095 is an equidigital number, since it uses as much as digits as its factorization.

19427095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 19427095 is about 4407.6178373357. The cubic root of 19427095 is about 268.8247731369.

The spelling of 19427095 in words is "nineteen million, four hundred twenty-seven thousand, ninety-five".

Divisors: 1 5 787 3935 4937 24685 3885419 19427095