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28164846 = 234694141
BaseRepresentation
bin110101101110…
…0001011101110
31221222220220110
41223130023232
524202233341
62443400450
7461253153
oct153341356
957886813
1028164846
1114997736
129523126
135ab18b8
143a5222a
152715216
hex1adc2ee

28164846 has 8 divisors (see below), whose sum is σ = 56329704. Its totient is φ = 9388280.

The previous prime is 28164841. The next prime is 28164853. The reversal of 28164846 is 64846182.

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

28164846 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28164841) 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, 2347065 + ... + 2347076.

It is an arithmetic number, because the mean of its divisors is an integer number (7041213).

Almost surely, 228164846 is an apocalyptic number.

28164846 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28164846 is a wasteful number, since it uses less digits than its factorization.

28164846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694146.

The product of its digits is 73728, while the sum is 39.

The square root of 28164846 is about 5307.0562461689. The cubic root of 28164846 is about 304.2536476664.

The spelling of 28164846 in words is "twenty-eight million, one hundred sixty-four thousand, eight hundred forty-six".

Divisors: 1 2 3 6 4694141 9388282 14082423 28164846