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49453 = 172909
BaseRepresentation
bin1100000100101101
32111211121
430010231
53040303
61020541
7264115
oct140455
974747
1049453
1134178
1224751
1319681
1414045
15e9bd
hexc12d

49453 has 4 divisors (see below), whose sum is σ = 52380. Its totient is φ = 46528.

The previous prime is 49451. The next prime is 49459. The reversal of 49453 is 35494.

49453 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35494 = 217747.

It can be written as a sum of positive squares in 2 ways, for example, as 40804 + 8649 = 202^2 + 93^2 .

It is a cyclic number.

It is not a de Polignac number, because 49453 - 21 = 49451 is a prime.

It is a Duffinian number.

49453 is an undulating number in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49451) 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 3 ways as a sum of consecutive naturals, for example, 1438 + ... + 1471.

It is an arithmetic number, because the mean of its divisors is an integer number (13095).

249453 is an apocalyptic number.

It is an amenable number.

49453 is a deficient number, since it is larger than the sum of its proper divisors (2927).

49453 is a wasteful number, since it uses less digits than its factorization.

49453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926.

The product of its digits is 2160, while the sum is 25.

The square root of 49453 is about 222.3803048833. The cubic root of 49453 is about 36.7054777292.

The spelling of 49453 in words is "forty-nine thousand, four hundred fifty-three".

Divisors: 1 17 2909 49453