[go: up one dir, main page]

Search a number
-
+
18014671 = 37213159
BaseRepresentation
bin100010010111…
…0000111001111
31020220020111001
41010232013033
514102432141
61442041131
7306056623
oct104560717
936806431
1018014671
11a194764
1260491a7
13396988c
14256d183
1518aca31
hex112e1cf

18014671 has 6 divisors (see below), whose sum is σ = 18516120. Its totient is φ = 17526456.

The previous prime is 18014653. The next prime is 18014687. The reversal of 18014671 is 17641081.

It is not a de Polignac number, because 18014671 - 213 = 18006479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18014371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5211 + ... + 7948.

It is an arithmetic number, because the mean of its divisors is an integer number (3086020).

Almost surely, 218014671 is an apocalyptic number.

18014671 is a deficient number, since it is larger than the sum of its proper divisors (501449).

18014671 is an equidigital number, since it uses as much as digits as its factorization.

18014671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13233 (or 13196 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 18014671 is about 4244.3693288874. The cubic root of 18014671 is about 262.1453217463.

The spelling of 18014671 in words is "eighteen million, fourteen thousand, six hundred seventy-one".

Divisors: 1 37 1369 13159 486883 18014671