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19424383 = 113156963
BaseRepresentation
bin100101000011…
…0010001111111
31100112212020121
41022012101333
514433040013
61532155411
7324050566
oct112062177
940485217
1019424383
11aa67910
126608b67
134041424
142818bdd
151a8a58d
hex128647f

19424383 has 8 divisors (see below), whose sum is σ = 21874176. Its totient is φ = 17088600.

The previous prime is 19424381. The next prime is 19424389. The reversal of 19424383 is 38342491.

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 19424383 - 21 = 19424381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19424381) by changing a digit.

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, 28141 + ... + 28822.

It is an arithmetic number, because the mean of its divisors is an integer number (2734272).

Almost surely, 219424383 is an apocalyptic number.

19424383 is a deficient number, since it is larger than the sum of its proper divisors (2449793).

19424383 is a wasteful number, since it uses less digits than its factorization.

19424383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57005.

The product of its digits is 20736, while the sum is 34.

The square root of 19424383 is about 4407.3101774211. The cubic root of 19424383 is about 268.8122633456.

The spelling of 19424383 in words is "nineteen million, four hundred twenty-four thousand, three hundred eighty-three".

Divisors: 1 11 31 341 56963 626593 1765853 19424383