Search a number
-
+
18094028 = 22291511033
BaseRepresentation
bin100010100000…
…1011111001100
31021001021100012
41011001133030
514113002103
61443452352
7306540161
oct105013714
937037305
1018094028
11a239347
1260870b8
133996a34
142590068
1518c62d8
hex11417cc

18094028 has 24 divisors (see below), whose sum is σ = 33005280. Its totient is φ = 8668800.

The previous prime is 18094009. The next prime is 18094033. The reversal of 18094028 is 82049081.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18093985 and 18094003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17000 + ... + 18032.

It is an arithmetic number, because the mean of its divisors is an integer number (1375220).

Almost surely, 218094028 is an apocalyptic number.

It is an amenable number.

18094028 is a deficient number, since it is larger than the sum of its proper divisors (14911252).

18094028 is a wasteful number, since it uses less digits than its factorization.

18094028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 18094028 is about 4253.7075592946. The cubic root of 18094028 is about 262.5296861362.

The spelling of 18094028 in words is "eighteen million, ninety-four thousand, twenty-eight".

Divisors: 1 2 4 29 58 116 151 302 604 1033 2066 4132 4379 8758 17516 29957 59914 119828 155983 311966 623932 4523507 9047014 18094028