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18411142 = 261229659
BaseRepresentation
bin100011000111…
…0111010000110
31021122101100011
41012032322012
514203124032
61454340434
7312330541
oct106167206
937571304
1018411142
11a435622
1261ba71a
133a78189
142633858
15193a247
hex118ee86

18411142 has 16 divisors (see below), whose sum is σ = 28234800. Its totient is φ = 9001440.

The previous prime is 18411137. The next prime is 18411149. The reversal of 18411142 is 24111481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18411149) 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, 27609 + ... + 28267.

It is an arithmetic number, because the mean of its divisors is an integer number (1764675).

Almost surely, 218411142 is an apocalyptic number.

18411142 is a deficient number, since it is larger than the sum of its proper divisors (9823658).

18411142 is a wasteful number, since it uses less digits than its factorization.

18411142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951.

The product of its digits is 256, while the sum is 22.

The square root of 18411142 is about 4290.8206674248. The cubic root of 18411142 is about 264.0545016799.

The spelling of 18411142 in words is "eighteen million, four hundred eleven thousand, one hundred forty-two".

Divisors: 1 2 61 122 229 458 659 1318 13969 27938 40199 80398 150911 301822 9205571 18411142