Search a number
-
+
18024982 = 253170047
BaseRepresentation
bin100010011000…
…0101000010110
31020220202121221
41010300220112
514103244412
61442200554
7306131653
oct104605026
936822557
1018024982
11a1a1488
12605315a
133971491
142572c2a
1518b0b07
hex1130a16

18024982 has 8 divisors (see below), whose sum is σ = 27547776. Its totient is φ = 8842392.

The previous prime is 18024971. The next prime is 18025001. The reversal of 18024982 is 28942081.

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

It is a super-2 number, since 2×180249822 = 649799952200648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84918 + ... + 85129.

It is an arithmetic number, because the mean of its divisors is an integer number (3443472).

Almost surely, 218024982 is an apocalyptic number.

18024982 is a deficient number, since it is larger than the sum of its proper divisors (9522794).

18024982 is a wasteful number, since it uses less digits than its factorization.

18024982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170102.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 18024982 is about 4245.5838232215. The cubic root of 18024982 is about 262.1953266354.

The spelling of 18024982 in words is "eighteen million, twenty-four thousand, nine hundred eighty-two".

Divisors: 1 2 53 106 170047 340094 9012491 18024982