Base | Representation |
---|---|
bin | 11001011000001… |
… | …01000001001010 |
3 | 112211120111111100 |
4 | 30230011001022 |
5 | 413444201412 |
6 | 33042442230 |
7 | 5163314502 |
oct | 1454050112 |
9 | 484514440 |
10 | 212881482 |
11 | aa191010 |
12 | 5b363376 |
13 | 35147598 |
14 | 203b6a02 |
15 | 13a50edc |
hex | cb0504a |
212881482 has 24 divisors (see below), whose sum is σ = 503174880. Its totient is φ = 64509480.
The previous prime is 212881477. The next prime is 212881507. The reversal of 212881482 is 284188212.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537382 + ... + 537777.
It is an arithmetic number, because the mean of its divisors is an integer number (20965620).
Almost surely, 2212881482 is an apocalyptic number.
212881482 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
212881482 is an abundant number, since it is smaller than the sum of its proper divisors (290293398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212881482 is a wasteful number, since it uses less digits than its factorization.
212881482 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1075178 (or 1075175 counting only the distinct ones).
The product of its digits is 16384, while the sum is 36.
The square root of 212881482 is about 14590.4585945747. The cubic root of 212881482 is about 597.0984745347.
The spelling of 212881482 in words is "two hundred twelve million, eight hundred eighty-one thousand, four hundred eighty-two".
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