Base | Representation |
---|---|
bin | 11000100100001… |
… | …001111110010100 |
3 | 1001201111102202021 |
4 | 120210021332110 |
5 | 1321001144340 |
6 | 104521222524 |
7 | 13133025514 |
oct | 3044117624 |
9 | 1051442667 |
10 | 412131220 |
11 | 1a1701316 |
12 | b6031a44 |
13 | 674cb237 |
14 | 3ca41844 |
15 | 262ace4a |
hex | 18909f94 |
412131220 has 24 divisors (see below), whose sum is σ = 866081664. Its totient is φ = 164737056.
The previous prime is 412131217. The next prime is 412131253. The reversal of 412131220 is 22131214.
It is a junction number, because it is equal to n+sod(n) for n = 412131194 and 412131203.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25729 + ... + 38551.
It is an arithmetic number, because the mean of its divisors is an integer number (36086736).
Almost surely, 2412131220 is an apocalyptic number.
It is an amenable number.
412131220 is an abundant number, since it is smaller than the sum of its proper divisors (453950444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
412131220 is a wasteful number, since it uses less digits than its factorization.
412131220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14439 (or 14437 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 412131220 is about 20301.0152455487. The cubic root of 412131220 is about 744.1808753012.
Adding to 412131220 its reverse (22131214), we get a palindrome (434262434).
The spelling of 412131220 in words is "four hundred twelve million, one hundred thirty-one thousand, two hundred twenty".
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