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28350794 = 214175397
BaseRepresentation
bin110110000100…
…1100101001010
31222100100222102
41230021211022
524224211134
62451353402
7462656243
oct154114512
958310872
1028350794
111500440a
1295b2862
135b48424
143a9dcca
15275037e
hex1b0994a

28350794 has 4 divisors (see below), whose sum is σ = 42526194. Its totient is φ = 14175396.

The previous prime is 28350767. The next prime is 28350811. The reversal of 28350794 is 49705382.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15484225 + 12866569 = 3935^2 + 3587^2 .

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 as a sum of consecutive naturals, namely, 7087697 + ... + 7087700.

Almost surely, 228350794 is an apocalyptic number.

28350794 is a deficient number, since it is larger than the sum of its proper divisors (14175400).

28350794 is a wasteful number, since it uses less digits than its factorization.

28350794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14175399.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 28350794 is about 5324.5463656541. The cubic root of 28350794 is about 304.9217536447.

The spelling of 28350794 in words is "twenty-eight million, three hundred fifty thousand, seven hundred ninety-four".

Divisors: 1 2 14175397 28350794