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2479 = 3767
BaseRepresentation
bin100110101111
310101211
4212233
534404
615251
710141
oct4657
93354
102479
111954
121527
131189
14c91
15b04
hex9af

2479 has 4 divisors (see below), whose sum is σ = 2584. Its totient is φ = 2376.

The previous prime is 2477. The next prime is 2503. The reversal of 2479 is 9742.

Adding to 2479 its reverse (9742), we get a palindrome (12221).

It can be divided in two parts, 247 and 9, that added together give a 8-th power (256 = 28).

2479 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9742 = 24871.

It is a cyclic number.

It is not a de Polignac number, because 2479 - 21 = 2477 is a prime.

It is a super-2 number, since 2×24792 = 12290882, which contains 22 as substring.

It is a Duffinian number.

2479 is a lucky number.

It is a plaindrome in base 10, base 13 and base 16.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2473) 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, 4 + ... + 70.

It is an arithmetic number, because the mean of its divisors is an integer number (646).

22479 is an apocalyptic number.

2479 is a deficient number, since it is larger than the sum of its proper divisors (105).

2479 is an equidigital number, since it uses as much as digits as its factorization.

2479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104.

The product of its digits is 504, while the sum is 22.

The square root of 2479 is about 49.7895571380. The cubic root of 2479 is about 13.5339793318.

The spelling of 2479 in words is "two thousand, four hundred seventy-nine".

Divisors: 1 37 67 2479