Base | Representation |
---|---|
bin | 1011010011000… |
… | …1111111000010 |
3 | 10022011200202120 |
4 | 2310301333002 |
5 | 44113000113 |
6 | 4411425110 |
7 | 1113546120 |
oct | 264617702 |
9 | 108150676 |
10 | 47390658 |
11 | 24829337 |
12 | 13a55196 |
13 | 9a83813 |
14 | 6418910 |
15 | 4261a23 |
hex | 2d31fc2 |
47390658 has 16 divisors (see below), whose sum is σ = 108321600. Its totient is φ = 13540176.
The previous prime is 47390657. The next prime is 47390663. The reversal of 47390658 is 85609374.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1128349 = 47390658 / (4 + 7 + 3 + 9 + 0 + 6 + 5 + 8).
It is not an unprimeable number, because it can be changed into a prime (47390657) 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, 564133 + ... + 564216.
It is an arithmetic number, because the mean of its divisors is an integer number (6770100).
Almost surely, 247390658 is an apocalyptic number.
47390658 is an abundant number, since it is smaller than the sum of its proper divisors (60930942).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47390658 is a wasteful number, since it uses less digits than its factorization.
47390658 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1128361.
The product of its (nonzero) digits is 181440, while the sum is 42.
The square root of 47390658 is about 6884.0873033395. The cubic root of 47390658 is about 361.8797205275.
The spelling of 47390658 in words is "forty-seven million, three hundred ninety thousand, six hundred fifty-eight".
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