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873080785 = 51237141161
BaseRepresentation
bin110100000010100…
…010011111010001
32020211212002200101
4310002202133101
53242002041120
6222345052401
730431031013
oct6402423721
92224762611
10873080785
11408916575
12204487101
1310bb5ca65
1483d501b3
15519b090a
hex340a27d1

873080785 has 8 divisors (see below), whose sum is σ = 1048551336. Its totient is φ = 697895040.

The previous prime is 873080777. The next prime is 873080797. The reversal of 873080785 is 587080378.

It can be written as a sum of positive squares in 4 ways, for example, as 8485569 + 864595216 = 2913^2 + 29404^2 .

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

It is not a de Polignac number, because 873080785 - 23 = 873080777 is a prime.

It is a Duffinian 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, 64396 + ... + 76765.

It is an arithmetic number, because the mean of its divisors is an integer number (131068917).

Almost surely, 2873080785 is an apocalyptic number.

It is an amenable number.

873080785 is a deficient number, since it is larger than the sum of its proper divisors (175470551).

873080785 is a wasteful number, since it uses less digits than its factorization.

873080785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142403.

The product of its (nonzero) digits is 376320, while the sum is 46.

The square root of 873080785 is about 29547.9404527625. The cubic root of 873080785 is about 955.7657792508.

The spelling of 873080785 in words is "eight hundred seventy-three million, eighty thousand, seven hundred eighty-five".

Divisors: 1 5 1237 6185 141161 705805 174616157 873080785