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49019 is a prime number
BaseRepresentation
bin1011111101111011
32111020112
423331323
53032034
61014535
7262625
oct137573
974215
1049019
1133913
122444b
1319409
1413c15
15e7ce
hexbf7b

49019 has 2 divisors, whose sum is σ = 49020. Its totient is φ = 49018.

The previous prime is 49009. The next prime is 49031. The reversal of 49019 is 91094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49019 - 24 = 49003 is a prime.

It is a super-2 number, since 2×490192 = 4805724722, which contains 22 as substring.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 48985 and 49003.

It is not a weakly prime, because it can be changed into another prime (49009) 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 as a sum of consecutive naturals, namely, 24509 + 24510.

It is an arithmetic number, because the mean of its divisors is an integer number (24510).

249019 is an apocalyptic number.

49019 is a deficient number, since it is larger than the sum of its proper divisors (1).

49019 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 13 representation: 49019 = (19409)13.

49019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 49019 is about 221.4023486777. The cubic root of 49019 is about 36.5977862039.

The spelling of 49019 in words is "forty-nine thousand, nineteen".