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19228342 = 271972287
BaseRepresentation
bin100100101011…
…0011010110110
31100011220022211
41021112122312
514410301332
61524044034
7322303210
oct111263266
940156284
1019228342
11a9435a1
12653361a
133ca3123
1427a75b0
151a4c447
hex12566b6

19228342 has 16 divisors (see below), whose sum is σ = 34698240. Its totient is φ = 7806888.

The previous prime is 19228327. The next prime is 19228367. The reversal of 19228342 is 24382291.

It is a zygodrome in base 3.

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 7 ways as a sum of consecutive naturals, for example, 35878 + ... + 36409.

It is an arithmetic number, because the mean of its divisors is an integer number (2168640).

Almost surely, 219228342 is an apocalyptic number.

19228342 is a deficient number, since it is larger than the sum of its proper divisors (15469898).

19228342 is a wasteful number, since it uses less digits than its factorization.

19228342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72315.

The product of its digits is 6912, while the sum is 31.

The square root of 19228342 is about 4385.0133409147. The cubic root of 19228342 is about 267.9048726763.

The spelling of 19228342 in words is "nineteen million, two hundred twenty-eight thousand, three hundred forty-two".

Divisors: 1 2 7 14 19 38 133 266 72287 144574 506009 1012018 1373453 2746906 9614171 19228342