Base | Representation |
---|---|
bin | 1011010000110… |
… | …1101101100101 |
3 | 10021220010221212 |
4 | 2310031231211 |
5 | 44043221320 |
6 | 4404321205 |
7 | 1112360012 |
oct | 264155545 |
9 | 107803855 |
10 | 47242085 |
11 | 24737750 |
12 | 139a3205 |
13 | 9a30cc7 |
14 | 63ba709 |
15 | 42329c5 |
hex | 2d0db65 |
47242085 has 16 divisors (see below), whose sum is σ = 62249472. Its totient is φ = 34132800.
The previous prime is 47242061. The next prime is 47242103. The reversal of 47242085 is 58024274.
It is not a de Polignac number, because 47242085 - 26 = 47242021 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5900 + ... + 11370.
It is an arithmetic number, because the mean of its divisors is an integer number (3890592).
Almost surely, 247242085 is an apocalyptic number.
It is an amenable number.
47242085 is a deficient number, since it is larger than the sum of its proper divisors (15007387).
47242085 is a wasteful number, since it uses less digits than its factorization.
47242085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5644.
The product of its (nonzero) digits is 17920, while the sum is 32.
The square root of 47242085 is about 6873.2877867873. The cubic root of 47242085 is about 361.5011519635.
The spelling of 47242085 in words is "forty-seven million, two hundred forty-two thousand, eighty-five".
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