Base | Representation |
---|---|
bin | 11001011110101… |
… | …100110011000100 |
3 | 1002210101010212101 |
4 | 121132230303010 |
5 | 1333413300322 |
6 | 110230201444 |
7 | 13410335110 |
oct | 3136546304 |
9 | 1083333771 |
10 | 427478212 |
11 | 1aa333787 |
12 | bb1b3284 |
13 | 6a7427b5 |
14 | 40ab8740 |
15 | 277e0327 |
hex | 197accc4 |
427478212 has 48 divisors (see below), whose sum is σ = 886878720. Its totient is φ = 176400000.
The previous prime is 427478203. The next prime is 427478213. The reversal of 427478212 is 212874724.
It is not an unprimeable number, because it can be changed into a prime (427478213) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568837 + ... + 569587.
It is an arithmetic number, because the mean of its divisors is an integer number (18476640).
Almost surely, 2427478212 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 427478212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443439360).
427478212 is an abundant number, since it is smaller than the sum of its proper divisors (459400508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
427478212 is a wasteful number, since it uses less digits than its factorization.
427478212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1492 (or 1490 counting only the distinct ones).
The product of its digits is 50176, while the sum is 37.
The square root of 427478212 is about 20675.5462322039. The cubic root of 427478212 is about 753.3058291748.
The spelling of 427478212 in words is "four hundred twenty-seven million, four hundred seventy-eight thousand, two hundred twelve".
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