Search a number
-
+
27890150 = 252557803
BaseRepresentation
bin110101001100…
…1000111100110
31221110222002112
41222121013212
524114441100
62433441022
7456030251
oct152310746
957428075
1027890150
111481a312
129410172
135a16862
1439c0098
1526adb35
hex1a991e6

27890150 has 12 divisors (see below), whose sum is σ = 51875772. Its totient is φ = 11156040.

The previous prime is 27890147. The next prime is 27890167. The reversal of 27890150 is 5109872.

It is a Curzon number.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 278852 + ... + 278951.

It is an arithmetic number, because the mean of its divisors is an integer number (4322981).

Almost surely, 227890150 is an apocalyptic number.

27890150 is a deficient number, since it is larger than the sum of its proper divisors (23985622).

27890150 is a wasteful number, since it uses less digits than its factorization.

27890150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557815 (or 557810 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 27890150 is about 5281.1125721764. The cubic root of 27890150 is about 303.2612704339.

The spelling of 27890150 in words is "twenty-seven million, eight hundred ninety thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 557803 1115606 2789015 5578030 13945075 27890150