Search a number
-
+
18034142 = 277118143
BaseRepresentation
bin100010011001…
…0110111011110
31020221020012012
41010302313132
514104043032
61442311222
7306200450
oct104626736
936836165
1018034142
11a1a8355
126058512
1339756b9
1425762d0
1518b36b2
hex1132dde

18034142 has 16 divisors (see below), whose sum is σ = 31352832. Its totient is φ = 7619640.

The previous prime is 18034141. The next prime is 18034147. The reversal of 18034142 is 24143081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18034141) 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, 8078 + ... + 10065.

It is an arithmetic number, because the mean of its divisors is an integer number (1959552).

Almost surely, 218034142 is an apocalyptic number.

18034142 is a deficient number, since it is larger than the sum of its proper divisors (13318690).

18034142 is a wasteful number, since it uses less digits than its factorization.

18034142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18223.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 18034142 is about 4246.6624542104. The cubic root of 18034142 is about 262.2397335678.

The spelling of 18034142 in words is "eighteen million, thirty-four thousand, one hundred forty-two".

Divisors: 1 2 7 14 71 142 497 994 18143 36286 127001 254002 1288153 2576306 9017071 18034142