Search a number
-
+
18126204 = 2238318199
BaseRepresentation
bin100010100100…
…1010101111100
31021002220110220
41011021111330
514120014304
61444301340
7310033035
oct105112574
937086426
1018126204
11a260538
1260a1850
1339a8585
14259ba8c
1518d0ad9
hex114957c

18126204 has 24 divisors (see below), whose sum is σ = 42806400. Its totient is φ = 5968944.

The previous prime is 18126203. The next prime is 18126221. The reversal of 18126204 is 40262181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18126203) 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, 8104 + ... + 10095.

It is an arithmetic number, because the mean of its divisors is an integer number (1783600).

Almost surely, 218126204 is an apocalyptic number.

It is an amenable number.

18126204 is an abundant number, since it is smaller than the sum of its proper divisors (24680196).

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

18126204 is a wasteful number, since it uses less digits than its factorization.

18126204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18289 (or 18287 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 18126204 is about 4257.4879917623. The cubic root of 18126204 is about 262.6852098819.

Adding to 18126204 its reverse (40262181), we get a palindrome (58388385).

The spelling of 18126204 in words is "eighteen million, one hundred twenty-six thousand, two hundred four".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 18199 36398 54597 72796 109194 218388 1510517 3021034 4531551 6042068 9063102 18126204