Base | Representation |
---|---|
bin | 1011001101011… |
… | …0000000000010 |
3 | 10021110112221012 |
4 | 2303112000002 |
5 | 44013421030 |
6 | 4355400522 |
7 | 1110416510 |
oct | 263260002 |
9 | 107415835 |
10 | 47013890 |
11 | 245a1260 |
12 | 138b3142 |
13 | 9981191 |
14 | 635b4b0 |
15 | 41da095 |
hex | 2cd6002 |
47013890 has 32 divisors (see below), whose sum is σ = 105508224. Its totient is φ = 14653440.
The previous prime is 47013877. The next prime is 47013907. The reversal of 47013890 is 9831074.
It is a Curzon 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, 29759 + ... + 31298.
It is an arithmetic number, because the mean of its divisors is an integer number (3297132).
Almost surely, 247013890 is an apocalyptic number.
47013890 is an abundant number, since it is smaller than the sum of its proper divisors (58494334).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47013890 is a wasteful number, since it uses less digits than its factorization.
47013890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61082.
The product of its (nonzero) digits is 6048, while the sum is 32.
The square root of 47013890 is about 6856.6675579322. The cubic root of 47013890 is about 360.9181552884.
The spelling of 47013890 in words is "forty-seven million, thirteen thousand, eight hundred ninety".
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