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19424343 = 333719213
BaseRepresentation
bin100101000011…
…0010001010111
31100112212012010
41022012101113
514433034333
61532155303
7324050511
oct112062127
940485163
1019424343
11aa67884
126608b33
1340413c3
142818bb1
151a8a563
hex1286457

19424343 has 8 divisors (see below), whose sum is σ = 25977328. Its totient is φ = 12910464.

The previous prime is 19424329. The next prime is 19424357. The reversal of 19424343 is 34342491.

It is an interprime number because it is at equal distance from previous prime (19424329) and next prime (19424357).

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

It is not a de Polignac number, because 19424343 - 214 = 19407959 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 19424343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19424143) 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 7 ways as a sum of consecutive naturals, for example, 8596 + ... + 10617.

It is an arithmetic number, because the mean of its divisors is an integer number (3247166).

Almost surely, 219424343 is an apocalyptic number.

19424343 is a deficient number, since it is larger than the sum of its proper divisors (6552985).

19424343 is a wasteful number, since it uses less digits than its factorization.

19424343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19553.

The product of its digits is 10368, while the sum is 30.

The square root of 19424343 is about 4407.3056395036. The cubic root of 19424343 is about 268.8120788267.

The spelling of 19424343 in words is "nineteen million, four hundred twenty-four thousand, three hundred forty-three".

Divisors: 1 3 337 1011 19213 57639 6474781 19424343