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808250128 = 24711363863
BaseRepresentation
bin110000001011001…
…110101100010000
32002022212100201221
4300023032230100
53123403001003
6212111334424
726013004240
oct6013165420
92068770657
10808250128
11385266314
121a6821414
13cb5b111a
14794b5b20
154ae567bd
hex302ceb10

808250128 has 40 divisors (see below), whose sum is σ = 1805563008. Its totient is φ = 343322112.

The previous prime is 808250123. The next prime is 808250129. The reversal of 808250128 is 821052808.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 808250093 and 808250102.

It is not an unprimeable number, because it can be changed into a prime (808250123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19276 + ... + 44587.

Almost surely, 2808250128 is an apocalyptic number.

It is an amenable number.

808250128 is an abundant number, since it is smaller than the sum of its proper divisors (997312880).

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

808250128 is a wasteful number, since it uses less digits than its factorization.

808250128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63991 (or 63985 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 808250128 is about 28429.7402028228. The cubic root of 808250128 is about 931.4980012552.

The spelling of 808250128 in words is "eight hundred eight million, two hundred fifty thousand, one hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 113 226 452 791 904 1582 1808 3164 6328 12656 63863 127726 255452 447041 510904 894082 1021808 1788164 3576328 7152656 7216519 14433038 28866076 50515633 57732152 101031266 115464304 202062532 404125064 808250128