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18141102 = 2327143977
BaseRepresentation
bin100010100110…
…0111110101110
31021010122220200
41011030332232
514121003402
61444454330
7310124340
oct105147656
937118820
1018141102
11a270751
1260aa3a6
1339b22a5
1425a3290
1518d521c
hex114cfae

18141102 has 24 divisors (see below), whose sum is σ = 44921136. Its totient is φ = 5183136.

The previous prime is 18141083. The next prime is 18141103. The reversal of 18141102 is 20114181.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18141103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71863 + ... + 72114.

It is an arithmetic number, because the mean of its divisors is an integer number (1871714).

Almost surely, 218141102 is an apocalyptic number.

18141102 is an abundant number, since it is smaller than the sum of its proper divisors (26780034).

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

18141102 is a wasteful number, since it uses less digits than its factorization.

18141102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143992 (or 143989 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 18141102 is about 4259.2372556598. The cubic root of 18141102 is about 262.7571575178.

Adding to 18141102 its reverse (20114181), we get a palindrome (38255283).

It can be divided in two parts, 1814 and 1102, that added together give a square (2916 = 542).

The spelling of 18141102 in words is "eighteen million, one hundred forty-one thousand, one hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 143977 287954 431931 863862 1007839 1295793 2015678 2591586 3023517 6047034 9070551 18141102