Search a number
-
+
18264950 = 2521123019
BaseRepresentation
bin100010110101…
…1001101110110
31021100221210122
41011223031312
514133434300
61451251542
7311151404
oct105531566
937327718
1018264950
11a345800
126149bb2
133a26782
1425d6474
15190bc85
hex116b376

18264950 has 36 divisors (see below), whose sum is σ = 37354380. Its totient is φ = 6639600.

The previous prime is 18264949. The next prime is 18264959. The reversal of 18264950 is 5946281.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18264950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18264959) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4541 + ... + 7559.

Almost surely, 218264950 is an apocalyptic number.

18264950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18264950 is an abundant number, since it is smaller than the sum of its proper divisors (19089430).

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

18264950 is a wasteful number, since it uses less digits than its factorization.

18264950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053 (or 3037 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 18264950 is about 4273.7512796137. The cubic root of 18264950 is about 263.3537433663.

It can be divided in two parts, 1826 and 4950, that added together give a palindrome (6776).

The spelling of 18264950 in words is "eighteen million, two hundred sixty-four thousand, nine hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 121 242 275 550 605 1210 3019 3025 6038 6050 15095 30190 33209 66418 75475 150950 166045 332090 365299 730598 830225 1660450 1826495 3652990 9132475 18264950