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49536881 is a prime number
BaseRepresentation
bin1011110011110…
…1111101110001
310110012201211022
42330331331301
5100140140011
64525425225
71141025252
oct274757561
9113181738
1049536881
1125a64879
121470b215
13a355684
146816b29
1545378db
hex2f3df71

49536881 has 2 divisors, whose sum is σ = 49536882. Its totient is φ = 49536880.

The previous prime is 49536869. The next prime is 49536887. The reversal of 49536881 is 18863594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29430625 + 20106256 = 5425^2 + 4484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49536881 is a prime.

It is a super-2 number, since 2×495368812 = 4907805158416322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49536887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24768440 + 24768441.

It is an arithmetic number, because the mean of its divisors is an integer number (24768441).

Almost surely, 249536881 is an apocalyptic number.

It is an amenable number.

49536881 is a deficient number, since it is larger than the sum of its proper divisors (1).

49536881 is an equidigital number, since it uses as much as digits as its factorization.

49536881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 49536881 is about 7038.2441702459. The cubic root of 49536881 is about 367.2621899223.

The spelling of 49536881 in words is "forty-nine million, five hundred thirty-six thousand, eight hundred eighty-one".