Base | Representation |
---|---|
bin | 1110010110100… |
… | …11100111000100 |
3 | 22101120011210222 |
4 | 13023103213010 |
5 | 221310420140 |
6 | 15540403512 |
7 | 2661264203 |
oct | 713234704 |
9 | 271504728 |
10 | 120404420 |
11 | 61a68694 |
12 | 343a6598 |
13 | 1bc39026 |
14 | 11dc323a |
15 | a8855b5 |
hex | 72d39c4 |
120404420 has 12 divisors (see below), whose sum is σ = 252849324. Its totient is φ = 48161760.
The previous prime is 120404377. The next prime is 120404443. The reversal of 120404420 is 24404021.
It can be written as a sum of positive squares in 2 ways, for example, as 74787904 + 45616516 = 8648^2 + 6754^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3010091 + ... + 3010130.
It is an arithmetic number, because the mean of its divisors is an integer number (21070777).
Almost surely, 2120404420 is an apocalyptic number.
120404420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120404420 is an abundant number, since it is smaller than the sum of its proper divisors (132444904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120404420 is a wasteful number, since it uses less digits than its factorization.
120404420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6020230 (or 6020228 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 17.
The square root of 120404420 is about 10972.8947867005. The cubic root of 120404420 is about 493.7958966041.
Adding to 120404420 its reverse (24404021), we get a palindrome (144808441).
The spelling of 120404420 in words is "one hundred twenty million, four hundred four thousand, four hundred twenty".
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