Search a number
-
+
2929 = 29101
BaseRepresentation
bin101101110001
311000111
4231301
543204
621321
711353
oct5561
94014
102929
112223
121841
131444
1410d3
15d04
hexb71

2929 has 4 divisors (see below), whose sum is σ = 3060. Its totient is φ = 2800.

The previous prime is 2927. The next prime is 2939. The reversal of 2929 is 9292.

Adding to 2929 its reverse (9292), we get a palindrome (12221).

It can be divided in two parts, 292 and 9, that multiplied together give a triangular number (2628 = T72).

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

It can be written as a sum of positive squares in 2 ways, for example, as 2304 + 625 = 48^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 2929 - 21 = 2927 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

2929 is an undulating number in base 10.

It is a plaindrome in base 11 and base 13.

It is a nialpdrome in base 16.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2927) 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 3 ways as a sum of consecutive naturals, for example, 22 + ... + 79.

It is an arithmetic number, because the mean of its divisors is an integer number (765).

2929 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2929 is a deficient number, since it is larger than the sum of its proper divisors (131).

2929 is a wasteful number, since it uses less digits than its factorization.

2929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130.

The product of its digits is 324, while the sum is 22.

The square root of 2929 is about 54.1202365109. The cubic root of 2929 is about 14.3078086682.

The spelling of 2929 in words is "two thousand, nine hundred twenty-nine".

Divisors: 1 29 101 2929