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19066772 = 2247101419
BaseRepresentation
bin100100010111…
…0111110010100
31022212200200202
41020232332110
514340114042
61520400032
7321031154
oct110567624
938780622
1019066772
11a84316a
126476018
133c4771a
142764764
151a19632
hex122ef94

19066772 has 12 divisors (see below), whose sum is σ = 34077120. Its totient is φ = 9330456.

The previous prime is 19066771. The next prime is 19066783. The reversal of 19066772 is 27766091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19066771) 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 3 ways as a sum of consecutive naturals, for example, 50522 + ... + 50897.

It is an arithmetic number, because the mean of its divisors is an integer number (2839760).

Almost surely, 219066772 is an apocalyptic number.

It is an amenable number.

19066772 is a deficient number, since it is larger than the sum of its proper divisors (15010348).

19066772 is a wasteful number, since it uses less digits than its factorization.

19066772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101470 (or 101468 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 19066772 is about 4366.5514997536. The cubic root of 19066772 is about 267.1523862773.

The spelling of 19066772 in words is "nineteen million, sixty-six thousand, seven hundred seventy-two".

Divisors: 1 2 4 47 94 188 101419 202838 405676 4766693 9533386 19066772