Base | Representation |
---|---|
bin | 11001010100101… |
… | …111101111000101 |
3 | 1002121110120102200 |
4 | 121110233233011 |
5 | 1332231300210 |
6 | 110054225113 |
7 | 13346216364 |
oct | 3124575705 |
9 | 1077416380 |
10 | 424868805 |
11 | 1a8911249 |
12 | ba355199 |
13 | 6a03ab7a |
14 | 405d97db |
15 | 274770c0 |
hex | 1952fbc5 |
424868805 has 12 divisors (see below), whose sum is σ = 736439340. Its totient is φ = 226596672.
The previous prime is 424868803. The next prime is 424868837. The reversal of 424868805 is 508868424.
It can be written as a sum of positive squares in 2 ways, for example, as 182817441 + 242051364 = 13521^2 + 15558^2 .
It is not a de Polignac number, because 424868805 - 21 = 424868803 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 9441529 = 424868805 / (4 + 2 + 4 + 8 + 6 + 8 + 8 + 0 + 5).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (424868803) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4720720 + ... + 4720809.
It is an arithmetic number, because the mean of its divisors is an integer number (61369945).
Almost surely, 2424868805 is an apocalyptic number.
424868805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
424868805 is a deficient number, since it is larger than the sum of its proper divisors (311570535).
424868805 is a wasteful number, since it uses less digits than its factorization.
424868805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9441540 (or 9441537 counting only the distinct ones).
The product of its (nonzero) digits is 491520, while the sum is 45.
The square root of 424868805 is about 20612.3459363557. The cubic root of 424868805 is about 751.7699265278.
The spelling of 424868805 in words is "four hundred twenty-four million, eight hundred sixty-eight thousand, eight hundred five".
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