Search a number
-
+
18141085 = 516322259
BaseRepresentation
bin100010100110…
…0111110011101
31021010122220001
41011030332131
514121003320
61444454301
7310124314
oct105147635
937118801
1018141085
11a270736
1260aa391
1339b2291
1425a327b
1518d520a
hex114cf9d

18141085 has 8 divisors (see below), whose sum is σ = 21903840. Its totient is φ = 14423184.

The previous prime is 18141083. The next prime is 18141103. The reversal of 18141085 is 58014181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18141085 - 21 = 18141083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18141083) 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, 10315 + ... + 11944.

It is an arithmetic number, because the mean of its divisors is an integer number (2737980).

Almost surely, 218141085 is an apocalyptic number.

It is an amenable number.

18141085 is a deficient number, since it is larger than the sum of its proper divisors (3762755).

18141085 is a wasteful number, since it uses less digits than its factorization.

18141085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22427.

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 18141085 is about 4259.2352599968. The cubic root of 18141085 is about 262.7570754413.

The spelling of 18141085 in words is "eighteen million, one hundred forty-one thousand, eighty-five".

Divisors: 1 5 163 815 22259 111295 3628217 18141085