Search a number
-
+
18452052 = 22325031019
BaseRepresentation
bin100011001100…
…0111001010100
31021201110110100
41012120321110
514210431202
61455254100
7312561033
oct106307124
937643410
1018452052
11a463333
12621a330
133a90998
14264471a
15194741c
hex1198e54

18452052 has 36 divisors (see below), whose sum is σ = 46781280. Its totient is φ = 6132432.

The previous prime is 18452047. The next prime is 18452081. The reversal of 18452052 is 25025481.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 17599 + ... + 18617.

It is an arithmetic number, because the mean of its divisors is an integer number (1299480).

Almost surely, 218452052 is an apocalyptic number.

18452052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18452052 is an abundant number, since it is smaller than the sum of its proper divisors (28329228).

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

18452052 is a wasteful number, since it uses less digits than its factorization.

18452052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 18452052 is about 4295.5851755029. The cubic root of 18452052 is about 264.2499354814.

The spelling of 18452052 in words is "eighteen million, four hundred fifty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 503 1006 1019 1509 2012 2038 3018 3057 4076 4527 6036 6114 9054 9171 12228 18108 18342 36684 512557 1025114 1537671 2050228 3075342 4613013 6150684 9226026 18452052