Base | Representation |
---|---|
bin | 1011010011101… |
… | …1110110101101 |
3 | 10022020202012212 |
4 | 2310323312231 |
5 | 44120243320 |
6 | 4412340205 |
7 | 1114105022 |
oct | 264736655 |
9 | 108222185 |
10 | 47431085 |
11 | 24856749 |
12 | 13a74665 |
13 | 9a99040 |
14 | 6429549 |
15 | 426d9c5 |
hex | 2d3bdad |
47431085 has 16 divisors (see below), whose sum is σ = 63275520. Its totient is φ = 33894720.
The previous prime is 47431079. The next prime is 47431121. The reversal of 47431085 is 58013474.
It is not a de Polignac number, because 47431085 - 28 = 47430829 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9755 + ... + 13784.
It is an arithmetic number, because the mean of its divisors is an integer number (3954720).
Almost surely, 247431085 is an apocalyptic number.
It is an amenable number.
47431085 is a deficient number, since it is larger than the sum of its proper divisors (15844435).
47431085 is a wasteful number, since it uses less digits than its factorization.
47431085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23588.
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 47431085 is about 6887.0229417361. The cubic root of 47431085 is about 361.9825927956.
The spelling of 47431085 in words is "forty-seven million, four hundred thirty-one thousand, eighty-five".
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