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27984102 = 234664017
BaseRepresentation
bin110101011000…
…0000011100110
31221122201222020
41222300003212
524130442402
62435444010
7456601206
oct152600346
957581866
1027984102
1114883963
129456606
135a4a553
143a06406
1526cb8bc
hex1ab00e6

27984102 has 8 divisors (see below), whose sum is σ = 55968216. Its totient is φ = 9328032.

The previous prime is 27984097. The next prime is 27984127. The reversal of 27984102 is 20148972.

It is a happy number.

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

27984102 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2332003 + ... + 2332014.

It is an arithmetic number, because the mean of its divisors is an integer number (6996027).

Almost surely, 227984102 is an apocalyptic number.

27984102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27984102 is a wasteful number, since it uses less digits than its factorization.

27984102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4664022.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 27984102 is about 5290.0001890359. Note that the first 3 decimals coincide. The cubic root of 27984102 is about 303.6014152458.

The spelling of 27984102 in words is "twenty-seven million, nine hundred eighty-four thousand, one hundred two".

Divisors: 1 2 3 6 4664017 9328034 13992051 27984102