Search a number
-
+
29879 is a prime number
BaseRepresentation
bin111010010110111
31111222122
413102313
51424004
6350155
7153053
oct72267
944878
1029879
11204a3
121535b
13107a5
14ac63
158cbe
hex74b7

29879 has 2 divisors, whose sum is σ = 29880. Its totient is φ = 29878.

The previous prime is 29873. The next prime is 29881. The reversal of 29879 is 97892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29879 - 24 = 29863 is a prime.

Together with 29881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14939 + 14940.

It is an arithmetic number, because the mean of its divisors is an integer number (14940).

229879 is an apocalyptic number.

29879 is a deficient number, since it is larger than the sum of its proper divisors (1).

29879 is an equidigital number, since it uses as much as digits as its factorization.

29879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 35.

The square root of 29879 is about 172.8554309242. The cubic root of 29879 is about 31.0304937544.

The spelling of 29879 in words is "twenty-nine thousand, eight hundred seventy-nine".