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BaseRepresentation
bin101111100111
311011212
4233213
544142
622035
711612
oct5747
94155
103047
112320
12191b
131505
141179
15d82
hexbe7

3047 has 4 divisors (see below), whose sum is σ = 3336. Its totient is φ = 2760.

The previous prime is 3041. The next prime is 3049. The reversal of 3047 is 7403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7403 = 11673.

It is a cyclic number.

It is not a de Polignac number, because 3047 - 28 = 2791 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128 + ... + 149.

It is an arithmetic number, because the mean of its divisors is an integer number (834).

23047 is an apocalyptic number.

3047 is a deficient number, since it is larger than the sum of its proper divisors (289).

3047 is a wasteful number, since it uses less digits than its factorization.

3047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 3047 is about 55.1996376800. The cubic root of 3047 is about 14.4974232441.

Subtracting 3047 from its reverse (7403), we obtain a square (4356 = 662).

It can be divided in two parts, 30 and 47, that added together give a palindrome (77).

The spelling of 3047 in words is "three thousand, forty-seven", and thus it is an iban number.

Divisors: 1 11 277 3047