Base | Representation |
---|---|
bin | 1011001101110… |
… | …0000101101110 |
3 | 10021111211010220 |
4 | 2303130011232 |
5 | 44020220310 |
6 | 4400112210 |
7 | 1110552306 |
oct | 263340556 |
9 | 107454126 |
10 | 47038830 |
11 | 24608a73 |
12 | 13905666 |
13 | 998c637 |
14 | 6366606 |
15 | 41e2670 |
hex | 2cdc16e |
47038830 has 32 divisors (see below), whose sum is σ = 119535264. Its totient is φ = 11805696.
The previous prime is 47038829. The next prime is 47038837. The reversal of 47038830 is 3883074.
It is a junction number, because it is equal to n+sod(n) for n = 47038791 and 47038800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47038837) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45607 + ... + 46626.
It is an arithmetic number, because the mean of its divisors is an integer number (3735477).
Almost surely, 247038830 is an apocalyptic number.
47038830 is an abundant number, since it is smaller than the sum of its proper divisors (72496434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47038830 is a wasteful number, since it uses less digits than its factorization.
47038830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92260.
The product of its (nonzero) digits is 16128, while the sum is 33.
The square root of 47038830 is about 6858.4859845304. The cubic root of 47038830 is about 360.9819641442.
The spelling of 47038830 in words is "forty-seven million, thirty-eight thousand, eight hundred thirty".
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