Base | Representation |
---|---|
bin | 11000001001001… |
… | …001101101000110 |
3 | 1001020011210012110 |
4 | 120021021231012 |
5 | 1312143132410 |
6 | 104105401450 |
7 | 13015613202 |
oct | 3011115506 |
9 | 1036153173 |
10 | 405052230 |
11 | 198706810 |
12 | b3799286 |
13 | 65bc009b |
14 | 3bb1bb02 |
15 | 25860720 |
hex | 18249b46 |
405052230 has 32 divisors (see below), whose sum is σ = 1060501248. Its totient is φ = 98194400.
The previous prime is 405052213. The next prime is 405052267. The reversal of 405052230 is 32250504.
It is a junction number, because it is equal to n+sod(n) for n = 405052197 and 405052206.
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, 613386 + ... + 614045.
It is an arithmetic number, because the mean of its divisors is an integer number (33140664).
Almost surely, 2405052230 is an apocalyptic number.
405052230 is an abundant number, since it is smaller than the sum of its proper divisors (655449018).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
405052230 is a wasteful number, since it uses less digits than its factorization.
405052230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1227452.
The product of its (nonzero) digits is 1200, while the sum is 21.
The square root of 405052230 is about 20125.9094204461. The cubic root of 405052230 is about 739.8954259337.
It can be divided in two parts, 4050 and 52230, that added together give a triangular number (56280 = T335).
The spelling of 405052230 in words is "four hundred five million, fifty-two thousand, two hundred thirty".
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