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2670 = 23589
BaseRepresentation
bin101001101110
310122220
4221232
541140
620210
710533
oct5156
93586
102670
112008
121666
1312a5
14d8a
15bd0
hexa6e

2670 has 16 divisors (see below), whose sum is σ = 6480. Its totient is φ = 704.

The previous prime is 2663. The next prime is 2671. The reversal of 2670 is 762.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a plaindrome in base 12.

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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15 + ... + 74.

It is an arithmetic number, because the mean of its divisors is an integer number (405).

2670 is an abundant number, since it is smaller than the sum of its proper divisors (3810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3240).

2670 is a wasteful number, since it uses less digits than its factorization.

2670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 2670 is about 51.6720427311. The cubic root of 2670 is about 13.8730010918.

The spelling of 2670 in words is "two thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 89 178 267 445 534 890 1335 2670