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830040842 = 22928150929
BaseRepresentation
bin110001011110010…
…110101100001010
32010211212102222102
4301132112230022
53144442301332
6214210353402
726366142101
oct6136265412
92124772872
10830040842
11396599a74
121b1b8b862
13102c70637
147c349038
154cd0d062
hex31796b0a

830040842 has 16 divisors (see below), whose sum is σ = 1292603400. Its totient is φ = 399275520.

The previous prime is 830040839. The next prime is 830040853. The reversal of 830040842 is 248040038.

830040842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 590441401 + 239599441 = 24299^2 + 15479^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9167 + ... + 41762.

Almost surely, 2830040842 is an apocalyptic number.

830040842 is a deficient number, since it is larger than the sum of its proper divisors (462562558).

830040842 is a wasteful number, since it uses less digits than its factorization.

830040842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51241.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 830040842 is about 28810.4293963141. The cubic root of 830040842 is about 939.7950518931.

The spelling of 830040842 in words is "eight hundred thirty million, forty thousand, eight hundred forty-two".

Divisors: 1 2 29 58 281 562 8149 16298 50929 101858 1476941 2953882 14311049 28622098 415020421 830040842