Base | Representation |
---|---|
bin | 1011010011100… |
… | …1001011011100 |
3 | 10022020012011220 |
4 | 2310321023130 |
5 | 44114420444 |
6 | 4412213340 |
7 | 1114031043 |
oct | 264711334 |
9 | 108205156 |
10 | 47420124 |
11 | 24849494 |
12 | 13a6a250 |
13 | 9a9405b |
14 | 642555a |
15 | 426a619 |
hex | 2d392dc |
47420124 has 48 divisors (see below), whose sum is σ = 117089280. Its totient is φ = 14895360.
The previous prime is 47420117. The next prime is 47420137. The reversal of 47420124 is 42102474.
It is a junction number, because it is equal to n+sod(n) for n = 47420094 and 47420103.
It is a congruent number.
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, 54517 + ... + 55379.
It is an arithmetic number, because the mean of its divisors is an integer number (2439360).
Almost surely, 247420124 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 47420124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58544640).
47420124 is an abundant number, since it is smaller than the sum of its proper divisors (69669156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47420124 is a wasteful number, since it uses less digits than its factorization.
47420124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1130 (or 1128 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 24.
The square root of 47420124 is about 6886.2271237594. The cubic root of 47420124 is about 361.9547067453.
Adding to 47420124 its reverse (42102474), we get a palindrome (89522598).
The spelling of 47420124 in words is "forty-seven million, four hundred twenty thousand, one hundred twenty-four".
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