Base | Representation |
---|---|
bin | 1011010011111… |
… | …0000011111000 |
3 | 10022021012121111 |
4 | 2310332003320 |
5 | 44121040440 |
6 | 4412450104 |
7 | 1114143250 |
oct | 264760370 |
9 | 108235544 |
10 | 47440120 |
11 | 24862512 |
12 | 13a79934 |
13 | 9aa01a0 |
14 | 642c960 |
15 | 42714ea |
hex | 2d3e0f8 |
47440120 has 64 divisors (see below), whose sum is σ = 131382720. Its totient is φ = 15012864.
The previous prime is 47440117. The next prime is 47440121. The reversal of 47440120 is 2104474.
It is a super-2 number, since 2×474401202 = 4501129971228800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 47440091 and 47440100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47440121) 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, 2877 + ... + 10156.
It is an arithmetic number, because the mean of its divisors is an integer number (2052855).
Almost surely, 247440120 is an apocalyptic number.
47440120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47440120 is an abundant number, since it is smaller than the sum of its proper divisors (83942600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47440120 is a wasteful number, since it uses less digits than its factorization.
47440120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13064 (or 13060 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 22.
The square root of 47440120 is about 6887.6788543021. The cubic root of 47440120 is about 362.0055756495.
Adding to 47440120 its reverse (2104474), we get a palindrome (49544594).
The spelling of 47440120 in words is "forty-seven million, four hundred forty thousand, one hundred twenty".
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