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28338107 = 716372473
BaseRepresentation
bin110110000011…
…0011110111011
31222022201120112
41230012132323
524223304412
62451214535
7462604250
oct154063673
958281515
1028338107
1114aa5926
1295a744b
135b42715
143a99427
15274b722
hex1b067bb

28338107 has 8 divisors (see below), whose sum is σ = 32419296. Its totient is φ = 24265152.

The previous prime is 28338103. The next prime is 28338127. The reversal of 28338107 is 70183382.

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

It is a cyclic number.

It is not a de Polignac number, because 28338107 - 22 = 28338103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28338103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10223 + ... + 12695.

It is an arithmetic number, because the mean of its divisors is an integer number (4052412).

Almost surely, 228338107 is an apocalyptic number.

28338107 is a deficient number, since it is larger than the sum of its proper divisors (4081189).

28338107 is a wasteful number, since it uses less digits than its factorization.

28338107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 28338107 is about 5323.3548632418. The cubic root of 28338107 is about 304.8762626261.

The spelling of 28338107 in words is "twenty-eight million, three hundred thirty-eight thousand, one hundred seven".

Divisors: 1 7 1637 2473 11459 17311 4048301 28338107