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4479 = 31493
BaseRepresentation
bin1000101111111
320010220
41011333
5120404
632423
716026
oct10577
96126
104479
113402
122713
132067
1418bd
1514d9
hex117f

4479 has 4 divisors (see below), whose sum is σ = 5976. Its totient is φ = 2984.

The previous prime is 4463. The next prime is 4481. The reversal of 4479 is 9744.

4479 is nontrivially palindromic in base 6.

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

It is a cyclic number.

It is not a de Polignac number, because 4479 - 24 = 4463 is a prime.

It is a super-2 number, since 2×44792 = 40122882, which contains 22 as substring.

It is a D-number.

It is a plaindrome in base 10, base 14 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4409) 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, 744 + ... + 749.

It is an arithmetic number, because the mean of its divisors is an integer number (1494).

4479 is a deficient number, since it is larger than the sum of its proper divisors (1497).

4479 is a wasteful number, since it uses less digits than its factorization.

4479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496.

The product of its digits is 1008, while the sum is 24.

The square root of 4479 is about 66.9253315270. The cubic root of 4479 is about 16.4839145350.

The spelling of 4479 in words is "four thousand, four hundred seventy-nine".

Divisors: 1 3 1493 4479