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19396133 = 171140949
BaseRepresentation
bin100100111111…
…1011000100101
31100111102111022
41021333120211
514431134013
61531420525
7323602331
oct111773045
940442438
1019396133
11aa48669
1265b4745
134031603
14280c7c1
151a82008
hex127f625

19396133 has 4 divisors (see below), whose sum is σ = 20537100. Its totient is φ = 18255168.

The previous prime is 19396129. The next prime is 19396151. The reversal of 19396133 is 33169391.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17455684 + 1940449 = 4178^2 + 1393^2 .

It is a cyclic number.

It is not a de Polignac number, because 19396133 - 22 = 19396129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19396093 and 19396102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19396163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570458 + ... + 570491.

It is an arithmetic number, because the mean of its divisors is an integer number (5134275).

Almost surely, 219396133 is an apocalyptic number.

It is an amenable number.

19396133 is a deficient number, since it is larger than the sum of its proper divisors (1140967).

19396133 is a wasteful number, since it uses less digits than its factorization.

19396133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140966.

The product of its digits is 13122, while the sum is 35.

The square root of 19396133 is about 4404.1041086695. The cubic root of 19396133 is about 268.6818837285.

The spelling of 19396133 in words is "nineteen million, three hundred ninety-six thousand, one hundred thirty-three".

Divisors: 1 17 1140949 19396133