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868880500 = 22531737761
BaseRepresentation
bin110011110010100…
…001000001110100
32020112221200222021
4303302201001310
53234413134000
6222115042524
730350235205
oct6362410164
92215850867
10868880500
11406507864
12202ba0444
1310b01bc97
14835795ac
155143111a
hex33ca1074

868880500 has 24 divisors (see below), whose sum is σ = 1897636104. Its totient is φ = 347552000.

The previous prime is 868880479. The next prime is 868880539. The reversal of 868880500 is 5088868.

It can be written as a sum of positive squares in 4 ways, for example, as 96707556 + 772172944 = 9834^2 + 27788^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868381 + ... + 869380.

It is an arithmetic number, because the mean of its divisors is an integer number (79068171).

Almost surely, 2868880500 is an apocalyptic number.

It is an amenable number.

868880500 is an abundant number, since it is smaller than the sum of its proper divisors (1028755604).

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

868880500 is a wasteful number, since it uses less digits than its factorization.

868880500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737780 (or 1737768 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 43.

The square root of 868880500 is about 29476.7789963558. The cubic root of 868880500 is about 954.2306239957.

The spelling of 868880500 in words is "eight hundred sixty-eight million, eight hundred eighty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 1737761 3475522 6951044 8688805 17377610 34755220 43444025 86888050 173776100 217220125 434440250 868880500