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18482642 = 216215701
BaseRepresentation
bin100011010000…
…0010111010010
31021210000102022
41012200113102
514212421032
61500051442
7313046153
oct106402722
937700368
1018482642
11a484312
126233b82
133aa1899
14265192a
151951512
hex11a05d2

18482642 has 8 divisors (see below), whose sum is σ = 27745932. Its totient is φ = 9234000.

The previous prime is 18482641. The next prime is 18482683. The reversal of 18482642 is 24628481.

It can be written as a sum of positive squares in 2 ways, for example, as 16491721 + 1990921 = 4061^2 + 1411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18482641) 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, 392 + ... + 6092.

Almost surely, 218482642 is an apocalyptic number.

18482642 is a deficient number, since it is larger than the sum of its proper divisors (9263290).

18482642 is a wasteful number, since it uses less digits than its factorization.

18482642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7324.

The product of its digits is 24576, while the sum is 35.

The square root of 18482642 is about 4299.1443334692. The cubic root of 18482642 is about 264.3958802742.

The spelling of 18482642 in words is "eighteen million, four hundred eighty-two thousand, six hundred forty-two".

Divisors: 1 2 1621 3242 5701 11402 9241321 18482642