Search a number
-
+
27992086 = 287715959
BaseRepresentation
bin110101011001…
…0000000010110
31221200010220221
41222302000112
524131221321
62435544554
7456633403
oct152620026
957603827
1027992086
1114889961
12945b15a
135a51085
143a092aa
1526cde41
hex1ab2016

27992086 has 8 divisors (see below), whose sum is σ = 42038640. Its totient is φ = 13979208.

The previous prime is 27992077. The next prime is 27992087. The reversal of 27992086 is 68029972.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27992087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6226 + ... + 9733.

It is an arithmetic number, because the mean of its divisors is an integer number (5254830).

Almost surely, 227992086 is an apocalyptic number.

27992086 is a deficient number, since it is larger than the sum of its proper divisors (14046554).

27992086 is a wasteful number, since it uses less digits than its factorization.

27992086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16838.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 27992086 is about 5290.7547665716. The cubic root of 27992086 is about 303.6302854857.

The spelling of 27992086 in words is "twenty-seven million, nine hundred ninety-two thousand, eighty-six".

Divisors: 1 2 877 1754 15959 31918 13996043 27992086