Base | Representation |
---|---|
bin | 110001010011100… |
… | …110000011110100 |
3 | 2010122120010210122 |
4 | 301103212003310 |
5 | 3143232021322 |
6 | 214030111112 |
7 | 26333153510 |
oct | 6123460364 |
9 | 2118503718 |
10 | 827220212 |
11 | 394a42875 |
12 | 1b104b498 |
13 | 1024c3820 |
14 | 7bc13140 |
15 | 4c952442 |
hex | 314e60f4 |
827220212 has 48 divisors (see below), whose sum is σ = 1788686592. Its totient is φ = 325969920.
The previous prime is 827220193. The next prime is 827220239. The reversal of 827220212 is 212022728.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a congruent number.
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, 91412 + ... + 100052.
It is an arithmetic number, because the mean of its divisors is an integer number (37264304).
Almost surely, 2827220212 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 827220212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894343296).
827220212 is an abundant number, since it is smaller than the sum of its proper divisors (961466380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
827220212 is a wasteful number, since it uses less digits than its factorization.
827220212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8928 (or 8926 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 26.
The square root of 827220212 is about 28761.4361950164. The cubic root of 827220212 is about 938.7293121872.
The spelling of 827220212 in words is "eight hundred twenty-seven million, two hundred twenty thousand, two hundred twelve".
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