Base | Representation |
---|---|
bin | 11011001011000… |
… | …10000001011010 |
3 | 120212220200022110 |
4 | 31211202001122 |
5 | 431323124430 |
6 | 34341333150 |
7 | 5435323236 |
oct | 1545420132 |
9 | 525820273 |
10 | 227942490 |
11 | 107738626 |
12 | 644071b6 |
13 | 382bb919 |
14 | 223b75c6 |
15 | 150287b0 |
hex | d96205a |
227942490 has 16 divisors (see below), whose sum is σ = 547062048. Its totient is φ = 60784656.
The previous prime is 227942479. The next prime is 227942497. The reversal of 227942490 is 94249722.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (227942497) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3799012 + ... + 3799071.
It is an arithmetic number, because the mean of its divisors is an integer number (34191378).
Almost surely, 2227942490 is an apocalyptic number.
227942490 is an abundant number, since it is smaller than the sum of its proper divisors (319119558).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227942490 is a wasteful number, since it uses less digits than its factorization.
227942490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7598093.
The product of its (nonzero) digits is 72576, while the sum is 39.
The square root of 227942490 is about 15097.7644040434. The cubic root of 227942490 is about 610.8601053160.
The spelling of 227942490 in words is "two hundred twenty-seven million, nine hundred forty-two thousand, four hundred ninety".
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