Base | Representation |
---|---|
bin | 110100000001011… |
… | …110011111101101 |
3 | 2020211022221122120 |
4 | 310001132133231 |
5 | 3241414133120 |
6 | 222335103153 |
7 | 30425461035 |
oct | 6401363755 |
9 | 2224287576 |
10 | 872802285 |
11 | 408746303 |
12 | 204371ab9 |
13 | 10ba93074 |
14 | 83cba8c5 |
15 | 51958140 |
hex | 3405e7ed |
872802285 has 16 divisors (see below), whose sum is σ = 1398544704. Its totient is φ = 464807552.
The previous prime is 872802283. The next prime is 872802311. The reversal of 872802285 is 582208278.
It is a cyclic number.
It is not a de Polignac number, because 872802285 - 21 = 872802283 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (872802283) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32352 + ... + 52841.
It is an arithmetic number, because the mean of its divisors is an integer number (87409044).
Almost surely, 2872802285 is an apocalyptic number.
It is an amenable number.
872802285 is a deficient number, since it is larger than the sum of its proper divisors (525742419).
872802285 is a wasteful number, since it uses less digits than its factorization.
872802285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85884.
The product of its (nonzero) digits is 143360, while the sum is 42.
The square root of 872802285 is about 29543.2273964779. The cubic root of 872802285 is about 955.6641433420.
The spelling of 872802285 in words is "eight hundred seventy-two million, eight hundred two thousand, two hundred eighty-five".
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