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49493 = 431151
BaseRepresentation
bin1100000101010101
32111220002
430011111
53040433
61021045
7264203
oct140525
974802
1049493
1134204
1224785
13196b2
1414073
15e9e8
hexc155

49493 has 4 divisors (see below), whose sum is σ = 50688. Its totient is φ = 48300.

The previous prime is 49481. The next prime is 49499. The reversal of 49493 is 39494.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49493 - 24 = 49477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49499) 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, 533 + ... + 618.

It is an arithmetic number, because the mean of its divisors is an integer number (12672).

249493 is an apocalyptic number.

49493 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

49493 is a deficient number, since it is larger than the sum of its proper divisors (1195).

49493 is a wasteful number, since it uses less digits than its factorization.

49493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194.

The product of its digits is 3888, while the sum is 29.

The square root of 49493 is about 222.4702227265. The cubic root of 49493 is about 36.7153714562.

Subtracting from 49493 its reverse (39494), we obtain a palindrome (9999).

The spelling of 49493 in words is "forty-nine thousand, four hundred ninety-three".

Divisors: 1 43 1151 49493