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28794670 = 252879467
BaseRepresentation
bin110110111010…
…1111100101110
32000011220212021
41231311330232
524332412140
62505100354
7466515322
oct155657456
960156767
1028794670
1115287953
1297876ba
135c72488
143b77982
1527dbb4a
hex1b75f2e

28794670 has 8 divisors (see below), whose sum is σ = 51830424. Its totient is φ = 11517864.

The previous prime is 28794659. The next prime is 28794673. The reversal of 28794670 is 7649782.

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 (28794673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439724 + ... + 1439743.

It is an arithmetic number, because the mean of its divisors is an integer number (6478803).

Almost surely, 228794670 is an apocalyptic number.

28794670 is a deficient number, since it is larger than the sum of its proper divisors (23035754).

28794670 is a wasteful number, since it uses less digits than its factorization.

28794670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879474.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 28794670 is about 5366.0665295913. The cubic root of 28794670 is about 306.5048623960.

The spelling of 28794670 in words is "twenty-eight million, seven hundred ninety-four thousand, six hundred seventy".

Divisors: 1 2 5 10 2879467 5758934 14397335 28794670