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18481052 = 2223200881
BaseRepresentation
bin100011001111…
…1111110011100
31021202221020102
41012133332130
514212343202
61500040232
7313041422
oct106377634
937687212
1018481052
11a4830a7
126233078
133aa0c45
142651112
151950d02
hex119ff9c

18481052 has 12 divisors (see below), whose sum is σ = 33748176. Its totient is φ = 8838720.

The previous prime is 18481051. The next prime is 18481061. The reversal of 18481052 is 25018481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18481051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100349 + ... + 100532.

It is an arithmetic number, because the mean of its divisors is an integer number (2812348).

Almost surely, 218481052 is an apocalyptic number.

It is an amenable number.

18481052 is a deficient number, since it is larger than the sum of its proper divisors (15267124).

18481052 is a wasteful number, since it uses less digits than its factorization.

18481052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200908 (or 200906 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 18481052 is about 4298.9594089733. The cubic root of 18481052 is about 264.3882983584.

The spelling of 18481052 in words is "eighteen million, four hundred eighty-one thousand, fifty-two".

Divisors: 1 2 4 23 46 92 200881 401762 803524 4620263 9240526 18481052