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50996938 = 225498469
BaseRepresentation
bin1100001010001…
…0011011001010
310112221220122111
43002202123022
5101023400223
65021012534
71156316056
oct302423312
9115856574
1050996938
1126871833
12150b414a
13a747105
146ab6c66
15472530d
hex30a26ca

50996938 has 4 divisors (see below), whose sum is σ = 76495410. Its totient is φ = 25498468.

The previous prime is 50996929. The next prime is 50996941. The reversal of 50996938 is 83969905.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83969905 = 516793981.

It can be written as a sum of positive squares in only one way, i.e., 40284409 + 10712529 = 6347^2 + 3273^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 50996891 and 50996900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12749233 + ... + 12749236.

Almost surely, 250996938 is an apocalyptic number.

50996938 is a deficient number, since it is larger than the sum of its proper divisors (25498472).

50996938 is a wasteful number, since it uses less digits than its factorization.

50996938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25498471.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 50996938 is about 7141.2140424440. The cubic root of 50996938 is about 370.8355550709.

The spelling of 50996938 in words is "fifty million, nine hundred ninety-six thousand, nine hundred thirty-eight".

Divisors: 1 2 25498469 50996938