Search a number
-
+
18254314 = 2131395051
BaseRepresentation
bin100010110100…
…0100111101010
31021100102012201
41011220213222
514133114224
61451130414
7311105401
oct105504752
937312181
1018254314
11a338811
126143a0a
133a21990
1425d2638
151908a44
hex11689ea

18254314 has 16 divisors (see below), whose sum is σ = 29705760. Its totient is φ = 8362800.

The previous prime is 18254303. The next prime is 18254323. The reversal of 18254314 is 41345281.

It is a super-3 number, since 3×182543143 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089 + ... + 6139.

It is an arithmetic number, because the mean of its divisors is an integer number (1856610).

Almost surely, 218254314 is an apocalyptic number.

18254314 is a deficient number, since it is larger than the sum of its proper divisors (11451446).

18254314 is a wasteful number, since it uses less digits than its factorization.

18254314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205.

The product of its digits is 3840, while the sum is 28.

The square root of 18254314 is about 4272.5067583329. The cubic root of 18254314 is about 263.3026149430.

Adding to 18254314 its reverse (41345281), we get a palindrome (59599595).

The spelling of 18254314 in words is "eighteen million, two hundred fifty-four thousand, three hundred fourteen".

Divisors: 1 2 13 26 139 278 1807 3614 5051 10102 65663 131326 702089 1404178 9127157 18254314