Search a number
-
+
20234131 = 173733191
BaseRepresentation
bin100110100101…
…1111110010011
31102002000000021
41031023332103
520134443011
62001404311
7333662431
oct115137623
942060007
1020234131
1110470225
126939697
134265b78
142989d51
151b9a471
hex134bf93

20234131 has 8 divisors (see below), whose sum is σ = 21488544. Its totient is φ = 18986880.

The previous prime is 20234117. The next prime is 20234143. The reversal of 20234131 is 13143202.

It is a happy number.

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 20234131 - 211 = 20232083 is a prime.

It is a super-2 number, since 2×202341312 = 818840114650322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20234101) 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, 4746 + ... + 7936.

It is an arithmetic number, because the mean of its divisors is an integer number (2686068).

Almost surely, 220234131 is an apocalyptic number.

20234131 is a deficient number, since it is larger than the sum of its proper divisors (1254413).

20234131 is a wasteful number, since it uses less digits than its factorization.

20234131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20234131 is about 4498.2364322032. The cubic root of 20234131 is about 272.4968705978.

Adding to 20234131 its reverse (13143202), we get a palindrome (33377333).

The spelling of 20234131 in words is "twenty million, two hundred thirty-four thousand, one hundred thirty-one".

Divisors: 1 17 373 3191 6341 54247 1190243 20234131