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28338206 = 2131796089
BaseRepresentation
bin110110000011…
…0100000011110
31222022201201012
41230012200132
524223310311
62451215222
7462604451
oct154064036
958281635
1028338206
1114aa5a06
1295a7512
135b42790
143a99498
15274b78b
hex1b0681e

28338206 has 16 divisors (see below), whose sum is σ = 46040400. Its totient is φ = 13003968.

The previous prime is 28338187. The next prime is 28338229. The reversal of 28338206 is 60283382.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 1610 + ... + 7698.

It is an arithmetic number, because the mean of its divisors is an integer number (2877525).

Almost surely, 228338206 is an apocalyptic number.

28338206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28338206 is a deficient number, since it is larger than the sum of its proper divisors (17702194).

28338206 is a wasteful number, since it uses less digits than its factorization.

28338206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283.

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

The square root of 28338206 is about 5323.3641618811. The cubic root of 28338206 is about 304.8766176571.

The spelling of 28338206 in words is "twenty-eight million, three hundred thirty-eight thousand, two hundred six".

Divisors: 1 2 13 26 179 358 2327 4654 6089 12178 79157 158314 1089931 2179862 14169103 28338206