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49882121 is a prime number
BaseRepresentation
bin1011111001001…
…0010000001001
310110212021101222
42332102100021
5100232211441
64541051425
71143663632
oct276222011
9113767358
1049882121
11261801a3
1214856b75
13a446863
1468a6889
1545a4d4b
hex2f92409

49882121 has 2 divisors, whose sum is σ = 49882122. Its totient is φ = 49882120.

The previous prime is 49882099. The next prime is 49882123. The reversal of 49882121 is 12128894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32775625 + 17106496 = 5725^2 + 4136^2 .

It is a cyclic number.

It is not a de Polignac number, because 49882121 - 26 = 49882057 is a prime.

Together with 49882123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49882123) by changing a digit.

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, 24941060 + 24941061.

It is an arithmetic number, because the mean of its divisors is an integer number (24941061).

Almost surely, 249882121 is an apocalyptic number.

It is an amenable number.

49882121 is a deficient number, since it is larger than the sum of its proper divisors (1).

49882121 is an equidigital number, since it uses as much as digits as its factorization.

49882121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 35.

The square root of 49882121 is about 7062.7275892533. The cubic root of 49882121 is about 368.1134087493.

The spelling of 49882121 in words is "forty-nine million, eight hundred eighty-two thousand, one hundred twenty-one".