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27688982 = 237936529
BaseRepresentation
bin110100110100…
…0000000010110
31221002202010212
41221220000112
524042021412
62425245422
7454231616
oct151500026
957082125
1027688982
11146a2162
129333872
135976119
14396aa46
15266e222
hex1a68016

27688982 has 8 divisors (see below), whose sum is σ = 41644200. Its totient is φ = 13807584.

The previous prime is 27688979. The next prime is 27688993. The reversal of 27688982 is 28988672.

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

It is a self number, because there is not a number n which added to its sum of digits gives 27688982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17507 + ... + 19022.

It is an arithmetic number, because the mean of its divisors is an integer number (5205525).

Almost surely, 227688982 is an apocalyptic number.

27688982 is a deficient number, since it is larger than the sum of its proper divisors (13955218).

27688982 is a wasteful number, since it uses less digits than its factorization.

27688982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36910.

The product of its digits is 774144, while the sum is 50.

The square root of 27688982 is about 5262.0321169677. The cubic root of 27688982 is about 302.5303823956.

The spelling of 27688982 in words is "twenty-seven million, six hundred eighty-eight thousand, nine hundred eighty-two".

Divisors: 1 2 379 758 36529 73058 13844491 27688982