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2679 = 31947
BaseRepresentation
bin101001110111
310200020
4221313
541204
620223
710545
oct5167
93606
102679
112016
121673
1312b1
14d95
15bd9
hexa77

2679 has 8 divisors (see below), whose sum is σ = 3840. Its totient is φ = 1656.

The previous prime is 2677. The next prime is 2683. The reversal of 2679 is 9762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2679 - 21 = 2677 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 10.

It is a nialpdrome in base 14 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34 + ... + 80.

It is an arithmetic number, because the mean of its divisors is an integer number (480).

22679 is an apocalyptic number.

2679 is a deficient number, since it is larger than the sum of its proper divisors (1161).

2679 is a wasteful number, since it uses less digits than its factorization.

2679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69.

The product of its digits is 756, while the sum is 24.

The square root of 2679 is about 51.7590571784. The cubic root of 2679 is about 13.8885712520. Note that the first 3 decimals are identical.

It can be divided in two parts, 267 and 9, that added together give a triangular number (276 = T23).

The spelling of 2679 in words is "two thousand, six hundred seventy-nine".

Divisors: 1 3 19 47 57 141 893 2679