Base | Representation |
---|---|
bin | 11001011100010… |
… | …00101010011000 |
3 | 112212120220011020 |
4 | 30232020222120 |
5 | 414113430241 |
6 | 33102202440 |
7 | 5201021526 |
oct | 1456105230 |
9 | 485526136 |
10 | 213420696 |
11 | aa51a145 |
12 | 5b583420 |
13 | 352a5b48 |
14 | 204b7316 |
15 | 13b0ab66 |
hex | cb88a98 |
213420696 has 32 divisors (see below), whose sum is σ = 545962560. Its totient is φ = 69485472.
The previous prime is 213420689. The next prime is 213420719. The reversal of 213420696 is 696024312.
It is a super-2 number, since 2×2134206962 = 91096786962248832, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102370 + ... + 104433.
It is an arithmetic number, because the mean of its divisors is an integer number (17061330).
Almost surely, 2213420696 is an apocalyptic number.
It is an amenable number.
213420696 is an abundant number, since it is smaller than the sum of its proper divisors (332541864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213420696 is a wasteful number, since it uses less digits than its factorization.
213420696 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206855 (or 206851 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 33.
The square root of 213420696 is about 14608.9252171404. The cubic root of 213420696 is about 597.6021857990.
The spelling of 213420696 in words is "two hundred thirteen million, four hundred twenty thousand, six hundred ninety-six".
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