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19042095 = 358631471
BaseRepresentation
bin100100010100…
…0111100101111
31022211102211210
41020220330233
514333321340
61520045503
7320566212
oct110507457
938742753
1019042095
11a826676
126463893
133c39417
142759779
151a12180
hex1228f2f

19042095 has 16 divisors (see below), whose sum is σ = 30523392. Its totient is φ = 10137120.

The previous prime is 19042063. The next prime is 19042103. The reversal of 19042095 is 59024091.

It is a happy number.

It is not a de Polignac number, because 19042095 - 25 = 19042063 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 12210 + ... + 13680.

It is an arithmetic number, because the mean of its divisors is an integer number (1907712).

Almost surely, 219042095 is an apocalyptic number.

19042095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19042095 is a deficient number, since it is larger than the sum of its proper divisors (11481297).

19042095 is a wasteful number, since it uses less digits than its factorization.

19042095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 19042095 is about 4363.7248996700. The cubic root of 19042095 is about 267.0370833202.

The spelling of 19042095 in words is "nineteen million, forty-two thousand, ninety-five".

Divisors: 1 3 5 15 863 1471 2589 4315 4413 7355 12945 22065 1269473 3808419 6347365 19042095