Base | Representation |
---|---|
bin | 1011010000000… |
… | …0101100010000 |
3 | 10021210102210120 |
4 | 2310000230100 |
5 | 44040020002 |
6 | 4403230240 |
7 | 1112045352 |
oct | 264005420 |
9 | 107712716 |
10 | 47188752 |
11 | 24700676 |
12 | 13978380 |
13 | 9a12950 |
14 | 63a50d2 |
15 | 4221cbc |
hex | 2d00b10 |
47188752 has 80 divisors (see below), whose sum is σ = 134158080. Its totient is φ = 14201856.
The previous prime is 47188711. The next prime is 47188763. The reversal of 47188752 is 25788174.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
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, 28524 + ... + 30132.
It is an arithmetic number, because the mean of its divisors is an integer number (1676976).
Almost surely, 247188752 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47188752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67079040).
47188752 is an abundant number, since it is smaller than the sum of its proper divisors (86969328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47188752 is a wasteful number, since it uses less digits than its factorization.
47188752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1680 (or 1674 counting only the distinct ones).
The product of its digits is 125440, while the sum is 42.
The square root of 47188752 is about 6869.4069613031. The cubic root of 47188752 is about 361.3650642589.
The spelling of 47188752 in words is "forty-seven million, one hundred eighty-eight thousand, seven hundred fifty-two".
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