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49487 = 174171
BaseRepresentation
bin1100000101001111
32111212212
430011033
53040422
61021035
7264164
oct140517
974785
1049487
11341a9
122477b
13196a9
141406b
15e9e2
hexc14f

49487 has 8 divisors (see below), whose sum is σ = 54432. Its totient is φ = 44800.

The previous prime is 49481. The next prime is 49499. The reversal of 49487 is 78494.

It is a happy number.

49487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49487 - 210 = 48463 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662 + ... + 732.

It is an arithmetic number, because the mean of its divisors is an integer number (6804).

249487 is an apocalyptic number.

49487 is a deficient number, since it is larger than the sum of its proper divisors (4945).

49487 is a wasteful number, since it uses less digits than its factorization.

49487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129.

The product of its digits is 8064, while the sum is 32.

The square root of 49487 is about 222.4567373671. The cubic root of 49487 is about 36.7138877370.

Subtracting from 49487 its sum of digits (32), we obtain a triangular number (49455 = T314).

The spelling of 49487 in words is "forty-nine thousand, four hundred eighty-seven".

Divisors: 1 17 41 71 697 1207 2911 49487