Base | Representation |
---|---|
bin | 110000010010000… |
… | …101111110010110 |
3 | 2002110020202220202 |
4 | 300102011332112 |
5 | 3124333040210 |
6 | 212214100502 |
7 | 26034210101 |
oct | 6022057626 |
9 | 2073222822 |
10 | 810049430 |
11 | 386285143 |
12 | 1a734a732 |
13 | cba910b8 |
14 | 79823738 |
15 | 4b1ae9a5 |
hex | 30485f96 |
810049430 has 16 divisors (see below), whose sum is σ = 1479852720. Its totient is φ = 319183392.
The previous prime is 810049421. The next prime is 810049433. The reversal of 810049430 is 34940018.
It is a super-4 number, since 4×8100494304 (a number of 37 digits) contains 4444 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 810049393 and 810049402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (810049433) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603845 + ... + 605184.
It is an arithmetic number, because the mean of its divisors is an integer number (92490795).
Almost surely, 2810049430 is an apocalyptic number.
810049430 is a deficient number, since it is larger than the sum of its proper divisors (669803290).
810049430 is a wasteful number, since it uses less digits than its factorization.
810049430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1209103.
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 810049430 is about 28461.3673248493. The cubic root of 810049430 is about 932.1887131909.
Adding to 810049430 its reverse (34940018), we get a palindrome (844989448).
The spelling of 810049430 in words is "eight hundred ten million, forty-nine thousand, four hundred thirty".
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