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27929814 = 2311423179
BaseRepresentation
bin110101010001…
…0110011010110
31221112222111120
41222202303112
524122223224
62434344410
7456254013
oct152426326
957488446
1027929814
11148470a0
12942b106
135a2b923
1439d070a
1526ba779
hex1aa2cd6

27929814 has 16 divisors (see below), whose sum is σ = 60937920. Its totient is φ = 8463560.

The previous prime is 27929809. The next prime is 27929831. The reversal of 27929814 is 41892972.

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 7 ways as a sum of consecutive naturals, for example, 211524 + ... + 211655.

It is an arithmetic number, because the mean of its divisors is an integer number (3808620).

Almost surely, 227929814 is an apocalyptic number.

27929814 is an abundant number, since it is smaller than the sum of its proper divisors (33008106).

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

27929814 is a wasteful number, since it uses less digits than its factorization.

27929814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423195.

The product of its digits is 72576, while the sum is 42.

The square root of 27929814 is about 5284.8665073018. The cubic root of 27929814 is about 303.4049634269.

The spelling of 27929814 in words is "twenty-seven million, nine hundred twenty-nine thousand, eight hundred fourteen".

Divisors: 1 2 3 6 11 22 33 66 423179 846358 1269537 2539074 4654969 9309938 13964907 27929814