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49645 = 59929
BaseRepresentation
bin1100000111101101
32112002201
430013231
53042040
61021501
7264511
oct140755
975081
1049645
1134332
1224891
131979b
1414141
15ea9a
hexc1ed

49645 has 4 divisors (see below), whose sum is σ = 59580. Its totient is φ = 39712.

The previous prime is 49639. The next prime is 49663. The reversal of 49645 is 54694.

49645 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13924 + 35721 = 118^2 + 189^2 .

It is a cyclic number.

It is not a de Polignac number, because 49645 - 25 = 49613 is a prime.

It is a super-3 number, since 3×496453 = 367069077033375, which contains 333 as substring.

49645 is an undulating number in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4960 + ... + 4969.

It is an arithmetic number, because the mean of its divisors is an integer number (14895).

249645 is an apocalyptic number.

It is an amenable number.

49645 is a deficient number, since it is larger than the sum of its proper divisors (9935).

49645 is an equidigital number, since it uses as much as digits as its factorization.

49645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9934.

The product of its digits is 4320, while the sum is 28.

The square root of 49645 is about 222.8115795914. The cubic root of 49645 is about 36.7529190764.

The spelling of 49645 in words is "forty-nine thousand, six hundred forty-five".

Divisors: 1 5 9929 49645