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19245423 = 319337639
BaseRepresentation
bin100100101101…
…0100101101111
31100012202202110
41021122211233
514411323143
61524255103
7322404051
oct111324557
940182673
1019245423
11a95540a
126541493
133caab32
1427ad8d1
151a52533
hex125a96f

19245423 has 8 divisors (see below), whose sum is σ = 27011200. Its totient is φ = 12154968.

The previous prime is 19245383. The next prime is 19245433. The reversal of 19245423 is 32454291.

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

It is not a de Polignac number, because 19245423 - 28 = 19245167 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 (19245433) 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, 168763 + ... + 168876.

It is an arithmetic number, because the mean of its divisors is an integer number (3376400).

Almost surely, 219245423 is an apocalyptic number.

19245423 is a deficient number, since it is larger than the sum of its proper divisors (7765777).

19245423 is a wasteful number, since it uses less digits than its factorization.

19245423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337661.

The product of its digits is 8640, while the sum is 30.

The square root of 19245423 is about 4386.9605651293. The cubic root of 19245423 is about 267.9841779848.

The spelling of 19245423 in words is "nineteen million, two hundred forty-five thousand, four hundred twenty-three".

Divisors: 1 3 19 57 337639 1012917 6415141 19245423