Search a number
-
+
27996284 = 226999071
BaseRepresentation
bin110101011001…
…1000001111100
31221200100200102
41222303001330
524131340114
62440020232
7456651551
oct152630174
957610612
1027996284
1114892028
129461678
135a52c64
143a0aa28
1526d02de
hex1ab307c

27996284 has 6 divisors (see below), whose sum is σ = 48993504. Its totient is φ = 13998140.

The previous prime is 27996259. The next prime is 27996299. The reversal of 27996284 is 48269972.

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 as a sum of consecutive naturals, namely, 3499532 + ... + 3499539.

It is an arithmetic number, because the mean of its divisors is an integer number (8165584).

Almost surely, 227996284 is an apocalyptic number.

It is an amenable number.

27996284 is a deficient number, since it is larger than the sum of its proper divisors (20997220).

27996284 is a wasteful number, since it uses less digits than its factorization.

27996284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6999075 (or 6999073 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 27996284 is about 5291.1514814830. The cubic root of 27996284 is about 303.6454633020.

The spelling of 27996284 in words is "twenty-seven million, nine hundred ninety-six thousand, two hundred eighty-four".

Divisors: 1 2 4 6999071 13998142 27996284