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28095984 = 2434719163
BaseRepresentation
bin110101100101…
…1010111110000
31221212102110000
41223023113300
524143032414
62442110000
7460545330
oct153132760
957772400
1028095984
111494aa24
1294ab300
135a89457
143a350c0
1526eeb09
hex1acb5f0

28095984 has 200 divisors, whose sum is σ = 98426240. Its totient is φ = 7558272.

The previous prime is 28095973. The next prime is 28096001. The reversal of 28095984 is 48959082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 172287 + ... + 172449.

Almost surely, 228095984 is an apocalyptic number.

28095984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28095984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49213120).

28095984 is an abundant number, since it is smaller than the sum of its proper divisors (70330256).

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

28095984 is a wasteful number, since it uses less digits than its factorization.

28095984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 28095984 is about 5300.5644982398. The cubic root of 28095984 is about 304.0054823573.

The spelling of 28095984 in words is "twenty-eight million, ninety-five thousand, nine hundred eighty-four".