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49031 is a prime number
BaseRepresentation
bin1011111110000111
32111020222
423332013
53032111
61014555
7262643
oct137607
974228
1049031
1133924
122445b
1319418
1413c23
15e7db
hexbf87

49031 has 2 divisors, whose sum is σ = 49032. Its totient is φ = 49030.

The previous prime is 49019. The next prime is 49033. The reversal of 49031 is 13094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49031 - 214 = 32647 is a prime.

It is a super-2 number, since 2×490312 = 4808077922, which contains 22 as substring.

Together with 49033, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is equal to p5039 and since 49031 and 5039 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49033) 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, 24515 + 24516.

It is an arithmetic number, because the mean of its divisors is an integer number (24516).

249031 is an apocalyptic number.

49031 is a deficient number, since it is larger than the sum of its proper divisors (1).

49031 is an equidigital number, since it uses as much as digits as its factorization.

49031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 49031 is about 221.4294470029. The cubic root of 49031 is about 36.6007723766.

Subtracting from 49031 its reverse (13094), we obtain a cube (35937 = 333).

The spelling of 49031 in words is "forty-nine thousand, thirty-one".