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19382894 = 237475573
BaseRepresentation
bin100100111110…
…0001001101110
31100110202022222
41021330021232
514430223034
61531235342
7323515616
oct111741156
940422288
1019382894
11aa39723
1265a8b52
13402858b
142807a46
151a7d12e
hex127c26e

19382894 has 16 divisors (see below), whose sum is σ = 30500928. Its totient is φ = 9227232.

The previous prime is 19382879. The next prime is 19382911. The reversal of 19382894 is 49828391.

It is a happy number.

It is a Curzon number.

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, 692 + ... + 6264.

It is an arithmetic number, because the mean of its divisors is an integer number (1906308).

Almost surely, 219382894 is an apocalyptic number.

19382894 is a deficient number, since it is larger than the sum of its proper divisors (11118034).

19382894 is a wasteful number, since it uses less digits than its factorization.

19382894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5659.

The product of its digits is 124416, while the sum is 44.

The square root of 19382894 is about 4402.6008222413. The cubic root of 19382894 is about 268.6207394260.

The spelling of 19382894 in words is "nineteen million, three hundred eighty-two thousand, eight hundred ninety-four".

Divisors: 1 2 37 47 74 94 1739 3478 5573 11146 206201 261931 412402 523862 9691447 19382894