Search a number
-
+
189422184 = 23371127513
BaseRepresentation
bin10110100101001…
…01101001101000
3111012102122101110
423102211221220
5341443002214
630443550320
74460030160
oct1322455150
9435378343
10189422184
1197a18766
125352b3a0
1330322743
141b22b5a0
151196a159
hexb4a5a68

189422184 has 32 divisors (see below), whose sum is σ = 541206720. Its totient is φ = 54120576.

The previous prime is 189422179. The next prime is 189422209. The reversal of 189422184 is 481224981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563589 + ... + 563924.

It is an arithmetic number, because the mean of its divisors is an integer number (16912710).

Almost surely, 2189422184 is an apocalyptic number.

189422184 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

189422184 is an abundant number, since it is smaller than the sum of its proper divisors (351784536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189422184 is a wasteful number, since it uses less digits than its factorization.

189422184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127529 (or 1127525 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 189422184 is about 13763.0732033220. The cubic root of 189422184 is about 574.3063433735.

The spelling of 189422184 in words is "one hundred eighty-nine million, four hundred twenty-two thousand, one hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1127513 2255026 3382539 4510052 6765078 7892591 9020104 13530156 15785182 23677773 27060312 31570364 47355546 63140728 94711092 189422184