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49893937 = 428911633
BaseRepresentation
bin1011111001010…
…1001000110001
310110212212121121
42332111020301
5100233101222
64541222241
71144043242
oct276251061
9113785547
1049893937
1126189065
1214861981
13a44c052
1468aacc9
1545a85c7
hex2f95231

49893937 has 4 divisors (see below), whose sum is σ = 49909860. Its totient is φ = 49878016.

The previous prime is 49893887. The next prime is 49893941. The reversal of 49893937 is 73939894.

49893937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 41460721 + 8433216 = 6439^2 + 2904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49893937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49893037) 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, 1528 + ... + 10105.

It is an arithmetic number, because the mean of its divisors is an integer number (12477465).

Almost surely, 249893937 is an apocalyptic number.

It is an amenable number.

49893937 is a deficient number, since it is larger than the sum of its proper divisors (15923).

49893937 is a wasteful number, since it uses less digits than its factorization.

49893937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15922.

The product of its digits is 1469664, while the sum is 52.

The square root of 49893937 is about 7063.5640437388. The cubic root of 49893937 is about 368.1424725003.

The spelling of 49893937 in words is "forty-nine million, eight hundred ninety-three thousand, nine hundred thirty-seven".

Divisors: 1 4289 11633 49893937