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28826250 = 23547687
BaseRepresentation
bin110110111110…
…1101010001010
32000020112011220
41231331222022
524334420000
62505502510
7500006355
oct155755212
960215156
1028826250
11152a9652
1297a1a36
135c8396b
143b8529c
1527e61a0
hex1b7da8a

28826250 has 40 divisors (see below), whose sum is σ = 72051936. Its totient is φ = 7686000.

The previous prime is 28826233. The next prime is 28826263. The reversal of 28826250 is 5262882.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 94 + ... + 7593.

Almost surely, 228826250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28826250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36025968).

28826250 is an abundant number, since it is smaller than the sum of its proper divisors (43225686).

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

28826250 is an equidigital number, since it uses as much as digits as its factorization.

28826250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7712 (or 7697 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 28826250 is about 5369.0082883155. The cubic root of 28826250 is about 306.6168725601.

The spelling of 28826250 in words is "twenty-eight million, eight hundred twenty-six thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 625 750 1250 1875 3750 7687 15374 23061 38435 46122 76870 115305 192175 230610 384350 576525 960875 1153050 1921750 2882625 4804375 5765250 9608750 14413125 28826250