Search a number
-
+
24947 = 1319101
BaseRepresentation
bin110000101110011
31021012222
412011303
51244242
6311255
7132506
oct60563
937188
1024947
111781a
121252b
13b480
14913d
1575d2
hex6173

24947 has 8 divisors (see below), whose sum is σ = 28560. Its totient is φ = 21600.

The previous prime is 24943. The next prime is 24953. The reversal of 24947 is 74942.

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

It is a cyclic number.

It is not a de Polignac number, because 24947 - 22 = 24943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24943) 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, 197 + ... + 297.

It is an arithmetic number, because the mean of its divisors is an integer number (3570).

224947 is an apocalyptic number.

24947 is a deficient number, since it is larger than the sum of its proper divisors (3613).

24947 is a wasteful number, since it uses less digits than its factorization.

24947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133.

The product of its digits is 2016, while the sum is 26.

The square root of 24947 is about 157.9461933698. The cubic root of 24947 is about 29.2194997043.

The spelling of 24947 in words is "twenty-four thousand, nine hundred forty-seven".

Divisors: 1 13 19 101 247 1313 1919 24947