Base | Representation |
---|---|
bin | 110011111111111… |
… | …011111111001000 |
3 | 2020210120110011101 |
4 | 303333323333020 |
5 | 3241313230132 |
6 | 222322311144 |
7 | 30422160466 |
oct | 6377737710 |
9 | 2223513141 |
10 | 872398792 |
11 | 4084a0141 |
12 | 2041b84b4 |
13 | 10b981505 |
14 | 83c13836 |
15 | 518c87e7 |
hex | 33ffbfc8 |
872398792 has 64 divisors (see below), whose sum is σ = 1782475200. Its totient is φ = 398684160.
The previous prime is 872398789. The next prime is 872398811. The reversal of 872398792 is 297893278.
It is a super-4 number, since 4×8723987924 (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1409059 + ... + 1409677.
It is an arithmetic number, because the mean of its divisors is an integer number (27851175).
Almost surely, 2872398792 is an apocalyptic number.
It is an amenable number.
872398792 is an abundant number, since it is smaller than the sum of its proper divisors (910076408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
872398792 is a wasteful number, since it uses less digits than its factorization.
872398792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 926 (or 922 counting only the distinct ones).
The product of its digits is 3048192, while the sum is 55.
The square root of 872398792 is about 29536.3977492178. The cubic root of 872398792 is about 955.5168540742.
The spelling of 872398792 in words is "eight hundred seventy-two million, three hundred ninety-eight thousand, seven hundred ninety-two".
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