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19042032 = 243396709
BaseRepresentation
bin100100010100…
…0111011110000
31022211102202110
41020220323300
514333321112
61520045320
7320566062
oct110507360
938742673
1019042032
11a826619
126463840
133c39399
142759732
151a1213c
hex1228ef0

19042032 has 20 divisors (see below), whose sum is σ = 49192040. Its totient is φ = 6347328.

The previous prime is 19042031. The next prime is 19042039. The reversal of 19042032 is 23024091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19042031) 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, 198307 + ... + 198402.

It is an arithmetic number, because the mean of its divisors is an integer number (2459602).

Almost surely, 219042032 is an apocalyptic number.

19042032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19042032 is an abundant number, since it is smaller than the sum of its proper divisors (30150008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19042032 is a wasteful number, since it uses less digits than its factorization.

19042032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396720 (or 396714 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 19042032 is about 4363.7176810605. The cubic root of 19042032 is about 267.0367888261.

The spelling of 19042032 in words is "nineteen million, forty-two thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 396709 793418 1190127 1586836 2380254 3173672 4760508 6347344 9521016 19042032