Search a number
-
+
18252048 = 243380251
BaseRepresentation
bin100010110100…
…0000100010000
31021100022002210
41011220010100
514133031143
61451112120
7311065653
oct105500420
937308083
1018252048
11a337041
126142640
133a20939
1425d189a
151908033
hex1168110

18252048 has 20 divisors (see below), whose sum is σ = 47151248. Its totient is φ = 6084000.

The previous prime is 18252029. The next prime is 18252061. The reversal of 18252048 is 84025281.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190078 + ... + 190173.

Almost surely, 218252048 is an apocalyptic number.

It is an amenable number.

18252048 is an abundant number, since it is smaller than the sum of its proper divisors (28899200).

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

18252048 is a wasteful number, since it uses less digits than its factorization.

18252048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380262 (or 380256 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 18252048 is about 4272.2415662039. The cubic root of 18252048 is about 263.2917194653.

The spelling of 18252048 in words is "eighteen million, two hundred fifty-two thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 380251 760502 1140753 1521004 2281506 3042008 4563012 6084016 9126024 18252048