Base | Representation |
---|---|
bin | 11000001010110… |
… | …011011101110110 |
3 | 1001020222210102220 |
4 | 120022303131312 |
5 | 1312301013210 |
6 | 104122543210 |
7 | 13022366160 |
oct | 3012633566 |
9 | 1036883386 |
10 | 405485430 |
11 | 198982229 |
12 | b3967b06 |
13 | 6601230c |
14 | 3bbd1930 |
15 | 258e8c70 |
hex | 182b3776 |
405485430 has 32 divisors (see below), whose sum is σ = 1112189184. Its totient is φ = 92682336.
The previous prime is 405485429. The next prime is 405485447. The reversal of 405485430 is 34584504.
It is a junction number, because it is equal to n+sod(n) for n = 405485391 and 405485400.
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, 965232 + ... + 965651.
It is an arithmetic number, because the mean of its divisors is an integer number (34755912).
Almost surely, 2405485430 is an apocalyptic number.
405485430 is an abundant number, since it is smaller than the sum of its proper divisors (706703754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
405485430 is a wasteful number, since it uses less digits than its factorization.
405485430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1930900.
The product of its (nonzero) digits is 38400, while the sum is 33.
The square root of 405485430 is about 20136.6687910389. The cubic root of 405485430 is about 740.1591026295.
The spelling of 405485430 in words is "four hundred five million, four hundred eighty-five thousand, four hundred thirty".
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