Base | Representation |
---|---|
bin | 1111101101111000001000 |
3 | 21202022200021 |
4 | 33231320020 |
5 | 2023320242 |
6 | 224150224 |
7 | 50006605 |
oct | 17557010 |
9 | 7668607 |
10 | 4120072 |
11 | 2364520 |
12 | 1468374 |
13 | b13418 |
14 | 7936ac |
15 | 565b67 |
hex | 3ede08 |
4120072 has 16 divisors (see below), whose sum is σ = 8427600. Its totient is φ = 1872720.
The previous prime is 4120033. The next prime is 4120079. The reversal of 4120072 is 2700214.
It is not an unprimeable number, because it can be changed into a prime (4120079) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23322 + ... + 23497.
It is an arithmetic number, because the mean of its divisors is an integer number (526725).
Almost surely, 24120072 is an apocalyptic number.
It is an amenable number.
4120072 is an abundant number, since it is smaller than the sum of its proper divisors (4307528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4120072 is a wasteful number, since it uses less digits than its factorization.
4120072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46836 (or 46832 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 16.
The square root of 4120072 is about 2029.7960488680. The cubic root of 4120072 is about 160.3128254778.
Adding to 4120072 its reverse (2700214), we get a palindrome (6820286).
The spelling of 4120072 in words is "four million, one hundred twenty thousand, seventy-two".
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