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28834650 = 23352133153
BaseRepresentation
bin110110111111…
…1101101011010
32000020221201000
41231333231122
524340202100
62510005430
7500043015
oct155775532
960227630
1028834650
1115304999
1297a6876
135c87730
143b8837c
1527e8900
hex1b7fb5a

28834650 has 192 divisors, whose sum is σ = 89994240. Its totient is φ = 6739200.

The previous prime is 28834621. The next prime is 28834651. The reversal of 28834650 is 5643882.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28834651) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 544024 + ... + 544076.

It is an arithmetic number, because the mean of its divisors is an integer number (468720).

Almost surely, 228834650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28834650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44997120).

28834650 is an abundant number, since it is smaller than the sum of its proper divisors (61159590).

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

28834650 is a wasteful number, since it uses less digits than its factorization.

28834650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 28834650 is about 5369.7904987066. The cubic root of 28834650 is about 306.6466524956.

The spelling of 28834650 in words is "twenty-eight million, eight hundred thirty-four thousand, six hundred fifty".