Search a number
-
+
20252262 = 2319317489
BaseRepresentation
bin100110101000…
…0011001100110
31102002220212210
41031100121212
520141033022
62002024250
7334066332
oct115203146
942086783
1020252262
1110482908
126948086
1342711b4
1429927c2
151ba0a0c
hex1350666

20252262 has 16 divisors (see below), whose sum is σ = 40716720. Its totient is φ = 6715392.

The previous prime is 20252231. The next prime is 20252273. The reversal of 20252262 is 26225202.

It is a super-2 number, since 2×202522622 = 820308232233288, which contains 22 as substring.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 7587 + ... + 9902.

It is an arithmetic number, because the mean of its divisors is an integer number (2544795).

Almost surely, 220252262 is an apocalyptic number.

20252262 is an abundant number, since it is smaller than the sum of its proper divisors (20464458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20252262 is a wasteful number, since it uses less digits than its factorization.

20252262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17687.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 20252262 is about 4500.2513263150. The cubic root of 20252262 is about 272.5782375020.

Adding to 20252262 its reverse (26225202), we get a palindrome (46477464).

The spelling of 20252262 in words is "twenty million, two hundred fifty-two thousand, two hundred sixty-two".

Divisors: 1 2 3 6 193 386 579 1158 17489 34978 52467 104934 3375377 6750754 10126131 20252262