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18023482 = 223338677
BaseRepresentation
bin100010011000…
…0010000111010
31020220200120101
41010300100322
514103222412
61442150014
7306124411
oct104602072
936820511
1018023482
11a1a0344
12605230a
1339708a9
142572478
1518b0457
hex113043a

18023482 has 8 divisors (see below), whose sum is σ = 27151956. Its totient is φ = 8972832.

The previous prime is 18023449. The next prime is 18023483. The reversal of 18023482 is 28432081.

It can be written as a sum of positive squares in 2 ways, for example, as 14447601 + 3575881 = 3801^2 + 1891^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 18023482.

It is not an unprimeable number, because it can be changed into a prime (18023483) 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, 18873 + ... + 19804.

Almost surely, 218023482 is an apocalyptic number.

18023482 is a deficient number, since it is larger than the sum of its proper divisors (9128474).

18023482 is a wasteful number, since it uses less digits than its factorization.

18023482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38912.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 18023482 is about 4245.4071653965. The cubic root of 18023482 is about 262.1880533244.

The spelling of 18023482 in words is "eighteen million, twenty-three thousand, four hundred eighty-two".

Divisors: 1 2 233 466 38677 77354 9011741 18023482