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19200093 = 311581821
BaseRepresentation
bin100100100111…
…1100001011101
31100010110120120
41021033201131
514403400333
61523305153
7322124643
oct111174135
940113516
1019200093
11a924350
12651b1b9
133c93303
14279b193
151a43db3
hex124f85d

19200093 has 8 divisors (see below), whose sum is σ = 27927456. Its totient is φ = 11636400.

The previous prime is 19200073. The next prime is 19200107. The reversal of 19200093 is 39000291.

It is a happy number.

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

It is not a de Polignac number, because 19200093 - 26 = 19200029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19200053) 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, 290878 + ... + 290943.

It is an arithmetic number, because the mean of its divisors is an integer number (3490932).

Almost surely, 219200093 is an apocalyptic number.

It is an amenable number.

19200093 is a deficient number, since it is larger than the sum of its proper divisors (8727363).

19200093 is a wasteful number, since it uses less digits than its factorization.

19200093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581835.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 19200093 is about 4381.7910721530. The cubic root of 19200093 is about 267.7736123743.

The spelling of 19200093 in words is "nineteen million, two hundred thousand, ninety-three".

Divisors: 1 3 11 33 581821 1745463 6400031 19200093