Search a number
-
+
18882230 = 251888223
BaseRepresentation
bin100100000000…
…1111010110110
31022112022112212
41020001322312
514313212410
61512413422
7316332143
oct110017266
938468485
1018882230
11a727554
1263a7272
133bb1723
1427173ca
1519ceb05
hex1201eb6

18882230 has 8 divisors (see below), whose sum is σ = 33988032. Its totient is φ = 7552888.

The previous prime is 18882221. The next prime is 18882293. The reversal of 18882230 is 3228881.

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

It is a congruent number.

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, 944102 + ... + 944121.

It is an arithmetic number, because the mean of its divisors is an integer number (4248504).

Almost surely, 218882230 is an apocalyptic number.

18882230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18882230 is a deficient number, since it is larger than the sum of its proper divisors (15105802).

18882230 is a wasteful number, since it uses less digits than its factorization.

18882230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888230.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 18882230 is about 4345.3687990779. The cubic root of 18882230 is about 266.2876925778.

The spelling of 18882230 in words is "eighteen million, eight hundred eighty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 1888223 3776446 9441115 18882230