Base | Representation |
---|---|
bin | 1011010001000… |
… | …0111100010000 |
3 | 10021220211002202 |
4 | 2310100330100 |
5 | 44044132222 |
6 | 4404502332 |
7 | 1112443406 |
oct | 264207420 |
9 | 107824082 |
10 | 47255312 |
11 | 24746685 |
12 | 139aa9a8 |
13 | 9a37030 |
14 | 63c1476 |
15 | 4236892 |
hex | 2d10f10 |
47255312 has 20 divisors (see below), whose sum is σ = 98600460. Its totient is φ = 21810048.
The previous prime is 47255311. The next prime is 47255339. The reversal of 47255312 is 21355274.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 18696976 + 28558336 = 4324^2 + 5344^2 .
It is not an unprimeable number, because it can be changed into a prime (47255311) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113387 + ... + 113802.
It is an arithmetic number, because the mean of its divisors is an integer number (4930023).
Almost surely, 247255312 is an apocalyptic number.
It is an amenable number.
47255312 is an abundant number, since it is smaller than the sum of its proper divisors (51345148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47255312 is a wasteful number, since it uses less digits than its factorization.
47255312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227210 (or 227204 counting only the distinct ones).
The product of its digits is 8400, while the sum is 29.
The square root of 47255312 is about 6874.2499227188. The cubic root of 47255312 is about 361.5348869236.
The spelling of 47255312 in words is "forty-seven million, two hundred fifty-five thousand, three hundred twelve".
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