Search a number
-
+
18402482 = 271314463
BaseRepresentation
bin100011000110…
…0110010110010
31021121221110102
41012030302302
514202334412
61454232402
7312263360
oct106146262
937557412
1018402482
11a42a06a
1261b5702
133a74257
142630630
1519378c2
hex118ccb2

18402482 has 8 divisors (see below), whose sum is σ = 31547136. Its totient is φ = 7886772.

The previous prime is 18402479. The next prime is 18402491. The reversal of 18402482 is 28420481.

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

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 3 ways as a sum of consecutive naturals, for example, 657218 + ... + 657245.

It is an arithmetic number, because the mean of its divisors is an integer number (3943392).

Almost surely, 218402482 is an apocalyptic number.

18402482 is a deficient number, since it is larger than the sum of its proper divisors (13144654).

18402482 is a wasteful number, since it uses less digits than its factorization.

18402482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314472.

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 18402482 is about 4289.8114177665. The cubic root of 18402482 is about 264.0130943153.

The spelling of 18402482 in words is "eighteen million, four hundred two thousand, four hundred eighty-two".

Divisors: 1 2 7 14 1314463 2628926 9201241 18402482