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858030943 = 71111143259
BaseRepresentation
bin110011001001001…
…000001101011111
32012210112111011211
4303021020031133
53224123442233
6221050325251
730156066640
oct6311101537
92183474154
10858030943
11400377390
121bb429827
131089c0823
1481d536c7
15504db5cd
hex3324835f

858030943 has 8 divisors (see below), whose sum is σ = 1069752960. Its totient is φ = 668595480.

The previous prime is 858030911. The next prime is 858030959. The reversal of 858030943 is 349030858.

858030943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 858030943 - 25 = 858030911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 858030896 and 858030905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (858030983) 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, 5571553 + ... + 5571706.

It is an arithmetic number, because the mean of its divisors is an integer number (133719120).

Almost surely, 2858030943 is an apocalyptic number.

858030943 is a deficient number, since it is larger than the sum of its proper divisors (211722017).

858030943 is a wasteful number, since it uses less digits than its factorization.

858030943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143277.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 858030943 is about 29292.1652152926. The cubic root of 858030943 is about 950.2422071256.

The spelling of 858030943 in words is "eight hundred fifty-eight million, thirty thousand, nine hundred forty-three".

Divisors: 1 7 11 77 11143259 78002813 122575849 858030943