Base | Representation |
---|---|
bin | 1011010011010… |
… | …1001110011010 |
3 | 10022012100222010 |
4 | 2310311032122 |
5 | 44113411210 |
6 | 4412010350 |
7 | 1113632610 |
oct | 264651632 |
9 | 108170863 |
10 | 47403930 |
11 | 24838302 |
12 | 13a609b6 |
13 | 9a89882 |
14 | 641d6b0 |
15 | 4265920 |
hex | 2d3539a |
47403930 has 32 divisors (see below), whose sum is σ = 130022784. Its totient is φ = 10835136.
The previous prime is 47403911. The next prime is 47403947. The reversal of 47403930 is 3930474.
It is a Harshad number since it is a multiple of its sum of digits (30).
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, 112657 + ... + 113076.
It is an arithmetic number, because the mean of its divisors is an integer number (4063212).
Almost surely, 247403930 is an apocalyptic number.
47403930 is an abundant number, since it is smaller than the sum of its proper divisors (82618854).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47403930 is a wasteful number, since it uses less digits than its factorization.
47403930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 225750.
The product of its (nonzero) digits is 9072, while the sum is 30.
The square root of 47403930 is about 6885.0511980667. The cubic root of 47403930 is about 361.9134994730.
The spelling of 47403930 in words is "forty-seven million, four hundred three thousand, nine hundred thirty".
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