49231 has 8 divisors (see below), whose sum is σ = 60704. Its totient is φ = 38880.
The previous prime is 49223. The next prime is 49253. The reversal of 49231 is 13294.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a 5-Lehmer number, since φ(49231) divides (49231-1)5.
It is a cyclic number.
It is not a de Polignac number, because 49231 - 23 = 49223 is a prime.
It is a super-2 number, since 2×492312 = 4847382722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 49199 and 49208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180 + ... + 361.
It is an arithmetic number, because the mean of its divisors is an integer number (7588).
249231 is an apocalyptic number.
49231 is a deficient number, since it is larger than the sum of its proper divisors (11473).
49231 is a wasteful number, since it uses less digits than its factorization.
With its predecessor (49230) it forms an eRAP, since the sums of their prime factors are consecutive (560 and 561).
49231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 561.
The product of its digits is 216, while the sum is 19.
The square root of 49231 is about 221.8805985209. The cubic root of 49231 is about 36.6504703491.
Subtracting from 49231 its reverse (13294), we obtain a cube (35937 = 333).
The spelling of 49231 in words is "forty-nine thousand, two hundred thirty-one".
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