Search a number
-
+
18441308 = 2223414889
BaseRepresentation
bin100011001011…
…0010001011100
31021200220201102
41012112101130
514210110213
61455132232
7312514514
oct106262134
937626642
1018441308
11a456256
126214078
133a88b22
142640844
151944158
hex119645c

18441308 has 24 divisors (see below), whose sum is σ = 34503840. Its totient is φ = 8602880.

The previous prime is 18441307. The next prime is 18441317. The reversal of 18441308 is 80314481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18441301) by changing a digit.

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, 1328 + ... + 6216.

It is an arithmetic number, because the mean of its divisors is an integer number (1437660).

Almost surely, 218441308 is an apocalyptic number.

It is an amenable number.

18441308 is a deficient number, since it is larger than the sum of its proper divisors (16062532).

18441308 is a wasteful number, since it uses less digits than its factorization.

18441308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4957 (or 4955 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 18441308 is about 4294.3344070997. The cubic root of 18441308 is about 264.1986376181.

Adding to 18441308 its reverse (80314481), we get a palindrome (98755789).

The spelling of 18441308 in words is "eighteen million, four hundred forty-one thousand, three hundred eight".

Divisors: 1 2 4 23 41 46 82 92 164 943 1886 3772 4889 9778 19556 112447 200449 224894 400898 449788 801796 4610327 9220654 18441308