Base | Representation |
---|---|
bin | 110011111001111… |
… | …100000011101100 |
3 | 2020200121112222222 |
4 | 303321330003230 |
5 | 3240412414340 |
6 | 222224454512 |
7 | 30402620645 |
oct | 6371740354 |
9 | 2220545888 |
10 | 870826220 |
11 | 4076166a0 |
12 | 20377a438 |
13 | 10b5507b4 |
14 | 839246cc |
15 | 516b78b5 |
hex | 33e7c0ec |
870826220 has 48 divisors (see below), whose sum is σ = 1997049600. Its totient is φ = 316336320.
The previous prime is 870826219. The next prime is 870826247. The reversal of 870826220 is 22628078.
It is an unprimeable number.
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, 341711 + ... + 344249.
It is an arithmetic number, because the mean of its divisors is an integer number (41605200).
Almost surely, 2870826220 is an apocalyptic number.
It is an amenable number.
870826220 is an abundant number, since it is smaller than the sum of its proper divisors (1126223380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
870826220 is a wasteful number, since it uses less digits than its factorization.
870826220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4118 (or 4116 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 35.
The square root of 870826220 is about 29509.7648245458. The cubic root of 870826220 is about 954.9423756610.
The spelling of 870826220 in words is "eight hundred seventy million, eight hundred twenty-six thousand, two hundred twenty".
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