Search a number
-
+
29708 = 2271061
BaseRepresentation
bin111010000001100
31111202022
413100030
51422313
6345312
7152420
oct72014
944668
1029708
1120358
1215238
13106a3
14ab80
158c08
hex740c

29708 has 12 divisors (see below), whose sum is σ = 59472. Its totient is φ = 12720.

The previous prime is 29683. The next prime is 29717. The reversal of 29708 is 80792.

29708 is an admirable number.

It is a plaindrome in base 9.

It is an unprimeable number.

29708 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503 + ... + 558.

It is an arithmetic number, because the mean of its divisors is an integer number (4956).

229708 is an apocalyptic number.

29708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

29708 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (29736).

29708 is a wasteful number, since it uses less digits than its factorization.

29708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 29708 is about 172.3600881875. The cubic root of 29708 is about 30.9711837666.

It can be divided in two parts, 29 and 708, that added together give a palindrome (737).

The spelling of 29708 in words is "twenty-nine thousand, seven hundred eight".

Divisors: 1 2 4 7 14 28 1061 2122 4244 7427 14854 29708