Search a number
-
+
20424714 = 233404119
BaseRepresentation
bin100110111101…
…0100000001010
31102102200102220
41031322200022
520212042324
62005434510
7335415162
oct115724012
942380386
1020424714
1110590432
126a0ba36
13430183b
1429d95a2
151bd6b79
hex137a80a

20424714 has 8 divisors (see below), whose sum is σ = 40849440. Its totient is φ = 6808236.

The previous prime is 20424707. The next prime is 20424721. The reversal of 20424714 is 41742402.

It is an interprime number because it is at equal distance from previous prime (20424707) and next prime (20424721).

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

20424714 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702054 + ... + 1702065.

It is an arithmetic number, because the mean of its divisors is an integer number (5106180).

Almost surely, 220424714 is an apocalyptic number.

20424714 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.

20424714 is a wasteful number, since it uses less digits than its factorization.

20424714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404124.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 20424714 is about 4519.3709739299. The cubic root of 20424714 is about 273.3497375970.

The spelling of 20424714 in words is "twenty million, four hundred twenty-four thousand, seven hundred fourteen".

Divisors: 1 2 3 6 3404119 6808238 10212357 20424714