Base | Representation |
---|---|
bin | 1011010001010… |
… | …1110011111101 |
3 | 10021221211110121 |
4 | 2310111303331 |
5 | 44100302021 |
6 | 4405134541 |
7 | 1112555515 |
oct | 264256375 |
9 | 107854417 |
10 | 47275261 |
11 | 2475a670 |
12 | 139ba451 |
13 | 9a43137 |
14 | 63c8845 |
15 | 423c741 |
hex | 2d15cfd |
47275261 has 8 divisors (see below), whose sum is σ = 51666048. Its totient is φ = 42900000.
The previous prime is 47275243. The next prime is 47275271. The reversal of 47275261 is 16257274.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 47275261 - 25 = 47275229 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47275201) 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, 3036 + ... + 10186.
It is an arithmetic number, because the mean of its divisors is an integer number (6458256).
Almost surely, 247275261 is an apocalyptic number.
It is an amenable number.
47275261 is a deficient number, since it is larger than the sum of its proper divisors (4390787).
47275261 is a wasteful number, since it uses less digits than its factorization.
47275261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7763.
The product of its digits is 23520, while the sum is 34.
The square root of 47275261 is about 6875.7007642858. The cubic root of 47275261 is about 361.5857541841.
The spelling of 47275261 in words is "forty-seven million, two hundred seventy-five thousand, two hundred sixty-one".
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