Base | Representation |
---|---|
bin | 11000001011100… |
… | …011000001100110 |
3 | 1001021100200122201 |
4 | 120023203001212 |
5 | 1312323231410 |
6 | 104131045114 |
7 | 13024140124 |
oct | 3013430146 |
9 | 1037320581 |
10 | 405680230 |
11 | 198aa561a |
12 | b3a4079a |
13 | 6607cb97 |
14 | 3bc42914 |
15 | 2593683a |
hex | 182e3066 |
405680230 has 16 divisors (see below), whose sum is σ = 734307120. Its totient is φ = 161364832.
The previous prime is 405680227. The next prime is 405680293. The reversal of 405680230 is 32086504.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111529 + ... + 115108.
It is an arithmetic number, because the mean of its divisors is an integer number (45894195).
Almost surely, 2405680230 is an apocalyptic number.
405680230 is a deficient number, since it is larger than the sum of its proper divisors (328626890).
405680230 is a wasteful number, since it uses less digits than its factorization.
405680230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 226823.
The product of its (nonzero) digits is 5760, while the sum is 28.
The square root of 405680230 is about 20141.5051572617. The cubic root of 405680230 is about 740.2776107185.
The spelling of 405680230 in words is "four hundred five million, six hundred eighty thousand, two hundred thirty".
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