Base | Representation |
---|---|
bin | 11001000100111… |
… | …100001001010101 |
3 | 1002022200001122202 |
4 | 121010330021111 |
5 | 1330201202313 |
6 | 105425334245 |
7 | 13266051320 |
oct | 3104741125 |
9 | 1068601582 |
10 | 420725333 |
11 | 1a6541196 |
12 | b8a97385 |
13 | 69219c02 |
14 | 3dc3b7b7 |
15 | 26e09558 |
hex | 1913c255 |
420725333 has 12 divisors (see below), whose sum is σ = 510779232. Its totient is φ = 339407040.
The previous prime is 420725321. The next prime is 420725369. The reversal of 420725333 is 333527024.
It is not a de Polignac number, because 420725333 - 24 = 420725317 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 420725296 and 420725305.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (420725033) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 101963 + ... + 106008.
It is an arithmetic number, because the mean of its divisors is an integer number (42564936).
Almost surely, 2420725333 is an apocalyptic number.
It is an amenable number.
420725333 is a deficient number, since it is larger than the sum of its proper divisors (90053899).
420725333 is a wasteful number, since it uses less digits than its factorization.
420725333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 208012 (or 207995 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 29.
The square root of 420725333 is about 20511.5902113902. The cubic root of 420725333 is about 749.3180960491.
The spelling of 420725333 in words is "four hundred twenty million, seven hundred twenty-five thousand, three hundred thirty-three".
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