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28287367000 = 235344476361
BaseRepresentation
bin11010010110000011…
…101111011101011000
32201000101200010120021
4122112003233131120
5430413031221000
620554532240224
72020662436504
oct322603573530
981011603507
1028287367000
1110aa6532562
125595470074
13288a6146a9
141524bd5304
15b085cc11a
hex6960ef758

28287367000 has 64 divisors (see below), whose sum is σ = 66217731840. Its totient is φ = 11310624000.

The previous prime is 28287366997. The next prime is 28287367001. The reversal of 28287367000 is 76378282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28287367001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4443820 + ... + 4450180.

It is an arithmetic number, because the mean of its divisors is an integer number (1034652060).

Almost surely, 228287367000 is an apocalyptic number.

28287367000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28287367000 is an abundant number, since it is smaller than the sum of its proper divisors (37930364840).

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

28287367000 is a wasteful number, since it uses less digits than its factorization.

28287367000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10829 (or 10815 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 28287367000 in words is "twenty-eight billion, two hundred eighty-seven million, three hundred sixty-seven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 4447 6361 8894 12722 17788 22235 25444 31805 35576 44470 50888 63610 88940 111175 127220 159025 177880 222350 254440 318050 444700 555875 636100 795125 889400 1111750 1272200 1590250 2223500 3180500 4447000 6361000 28287367 56574734 113149468 141436835 226298936 282873670 565747340 707184175 1131494680 1414368350 2828736700 3535920875 5657473400 7071841750 14143683500 28287367000