Base | Representation |
---|---|
bin | 1011001111100… |
… | …0101110100010 |
3 | 10021201210001100 |
4 | 2303320232202 |
5 | 44032444010 |
6 | 4402415230 |
7 | 1111551300 |
oct | 263705642 |
9 | 107653040 |
10 | 47156130 |
11 | 2468910a |
12 | 13961516 |
13 | 9a00b48 |
14 | 6397270 |
15 | 42172c0 |
hex | 2cf8ba2 |
47156130 has 216 divisors, whose sum is σ = 155601108. Its totient is φ = 9870336.
The previous prime is 47156129. The next prime is 47156173. The reversal of 47156130 is 3165174.
47156130 is a `hidden beast` number, since 4 + 71 + 561 + 30 = 666.
It can be written as a sum of positive squares in 6 ways, for example, as 42107121 + 5049009 = 6489^2 + 2247^2 .
It is a junction number, because it is equal to n+sod(n) for n = 47156094 and 47156103.
It is an unprimeable number.
It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1274472 + ... + 1274508.
Almost surely, 247156130 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47156130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77800554).
47156130 is an abundant number, since it is smaller than the sum of its proper divisors (108444978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47156130 is a wasteful number, since it uses less digits than its factorization.
47156130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98 (or 71 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 47156130 is about 6867.0321100167. The cubic root of 47156130 is about 361.2817734452.
The spelling of 47156130 in words is "forty-seven million, one hundred fifty-six thousand, one hundred thirty".
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