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47668 = 2217701
BaseRepresentation
bin1011101000110100
32102101111
423220310
53011133
61004404
7255655
oct135064
972344
1047668
11328a5
1223704
131890a
141352c
15e1cd
hexba34

47668 has 12 divisors (see below), whose sum is σ = 88452. Its totient is φ = 22400.

The previous prime is 47659. The next prime is 47681. The reversal of 47668 is 86674.

47668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39204 + 8464 = 198^2 + 92^2 .

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, 283 + ... + 418.

It is an arithmetic number, because the mean of its divisors is an integer number (7371).

247668 is an apocalyptic number.

It is an amenable number.

47668 is a deficient number, since it is larger than the sum of its proper divisors (40784).

47668 is a wasteful number, since it uses less digits than its factorization.

47668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 720 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 47668 is about 218.3300254202. The cubic root of 47668 is about 36.2584284801.

It can be divided in two parts, 4766 and 8, that added together give a palindrome (4774).

The spelling of 47668 in words is "forty-seven thousand, six hundred sixty-eight".

Divisors: 1 2 4 17 34 68 701 1402 2804 11917 23834 47668