Base | Representation |
---|---|
bin | 1011010000000… |
… | …1110000000010 |
3 | 10021210122202020 |
4 | 2310001300002 |
5 | 44040134330 |
6 | 4403302310 |
7 | 1112064120 |
oct | 264016002 |
9 | 107718666 |
10 | 47193090 |
11 | 2470395a |
12 | 1397a996 |
13 | 9a14909 |
14 | 63a6910 |
15 | 4223210 |
hex | 2d01c02 |
47193090 has 32 divisors (see below), whose sum is σ = 129444480. Its totient is φ = 10786944.
The previous prime is 47193089. The next prime is 47193109. The reversal of 47193090 is 9039174.
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, 112155 + ... + 112574.
It is an arithmetic number, because the mean of its divisors is an integer number (4045140).
Almost surely, 247193090 is an apocalyptic number.
47193090 is an abundant number, since it is smaller than the sum of its proper divisors (82251390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47193090 is a wasteful number, since it uses less digits than its factorization.
47193090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 224746.
The product of its (nonzero) digits is 6804, while the sum is 33.
The square root of 47193090 is about 6869.7227018272. The cubic root of 47193090 is about 361.3761371916.
The spelling of 47193090 in words is "forty-seven million, one hundred ninety-three thousand, ninety".
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