Base | Representation |
---|---|
bin | 101111111100111… |
… | …010100000010110 |
3 | 2002001210201000010 |
4 | 233330322200112 |
5 | 3121422404210 |
6 | 211455101050 |
7 | 25636054362 |
oct | 5774724026 |
9 | 2061721003 |
10 | 804497430 |
11 | 383132910 |
12 | 1a5511786 |
13 | ca898ca9 |
14 | 78bba2a2 |
15 | 4a964920 |
hex | 2ff3a816 |
804497430 has 128 divisors (see below), whose sum is σ = 2289254400. Its totient is φ = 178761600.
The previous prime is 804497387. The next prime is 804497479. The reversal of 804497430 is 34794408.
It is a super-2 number, since 2×8044974302 = 1294432229753209800, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
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 63 ways as a sum of consecutive naturals, for example, 192301 + ... + 196439.
It is an arithmetic number, because the mean of its divisors is an integer number (17884800).
Almost surely, 2804497430 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 804497430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1144627200).
804497430 is an abundant number, since it is smaller than the sum of its proper divisors (1484756970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
804497430 is a wasteful number, since it uses less digits than its factorization.
804497430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4210.
The product of its (nonzero) digits is 96768, while the sum is 39.
The square root of 804497430 is about 28363.6639029587. The cubic root of 804497430 is about 930.0541187145.
The spelling of 804497430 in words is "eight hundred four million, four hundred ninety-seven thousand, four hundred thirty".
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