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830850856 = 23112858317
BaseRepresentation
bin110001100001011…
…100011100101000
32010220101121002221
4301201130130220
53200144211411
6214240003424
726406054463
oct6141343450
92126347087
10830850856
11396aa2600
121b2300574
13103195234
147c4ba2da
154ce1d071
hex3185c728

830850856 has 24 divisors (see below), whose sum is σ = 1712344410. Its totient is φ = 377659040.

The previous prime is 830850851. The next prime is 830850857. The reversal of 830850856 is 658058038.

It can be written as a sum of positive squares in only one way, i.e., 441420100 + 389430756 = 21010^2 + 19734^2 .

It is not an unprimeable number, because it can be changed into a prime (830850851) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 428191 + ... + 430126.

Almost surely, 2830850856 is an apocalyptic number.

It is an amenable number.

830850856 is an abundant number, since it is smaller than the sum of its proper divisors (881493554).

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

830850856 is a wasteful number, since it uses less digits than its factorization.

830850856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858345 (or 858330 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 830850856 is about 28824.4836207000. The cubic root of 830850856 is about 940.1006592070.

The spelling of 830850856 in words is "eight hundred thirty million, eight hundred fifty thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 858317 1716634 3433268 6866536 9441487 18882974 37765948 75531896 103856357 207712714 415425428 830850856