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28366214 = 279179533
BaseRepresentation
bin110110000110…
…1010110000110
31222101011010112
41230031112012
524230204324
62451553022
7463052222
oct154152606
958334115
1028366214
1115014a58
1295bb772
135b52456
143aa5782
152754c0e
hex1b0d586

28366214 has 8 divisors (see below), whose sum is σ = 43088160. Its totient is φ = 14003496.

The previous prime is 28366213. The next prime is 28366237. The reversal of 28366214 is 41266382.

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 (28366211) 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, 89609 + ... + 89924.

It is an arithmetic number, because the mean of its divisors is an integer number (5386020).

Almost surely, 228366214 is an apocalyptic number.

28366214 is a deficient number, since it is larger than the sum of its proper divisors (14721946).

28366214 is a wasteful number, since it uses less digits than its factorization.

28366214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179614.

The product of its digits is 13824, while the sum is 32.

The square root of 28366214 is about 5325.9941794936. The cubic root of 28366214 is about 304.9770259503.

The spelling of 28366214 in words is "twenty-eight million, three hundred sixty-six thousand, two hundred fourteen".

Divisors: 1 2 79 158 179533 359066 14183107 28366214