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28359000 = 23325323137
BaseRepresentation
bin110110000101…
…1100101011000
31222100210020100
41230023211120
524224442000
62451455400
7463022205
oct154134530
958323210
1028359000
111500a59a
1295b7560
135b4c097
143aa2cac
152752a00
hex1b0b958

28359000 has 192 divisors, whose sum is σ = 100751040. Its totient is φ = 7180800.

The previous prime is 28358969. The next prime is 28359007. The reversal of 28359000 is 95382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28359007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 206932 + ... + 207068.

It is an arithmetic number, because the mean of its divisors is an integer number (524745).

Almost surely, 228359000 is an apocalyptic number.

28359000 is a gapful number since it is divisible by the number (20) 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 28359000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50375520).

28359000 is an abundant number, since it is smaller than the sum of its proper divisors (72392040).

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

28359000 is a wasteful number, since it uses less digits than its factorization.

28359000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 28359000 is about 5325.3168919793. The cubic root of 28359000 is about 304.9511701816.

The spelling of 28359000 in words is "twenty-eight million, three hundred fifty-nine thousand".