Base | Representation |
---|---|
bin | 100000110110… |
… | …011001011100 |
3 | 121012111122111 |
4 | 200312121130 |
5 | 4201031140 |
6 | 504323404 |
7 | 133124116 |
oct | 40663134 |
9 | 17174574 |
10 | 8611420 |
11 | 4951984 |
12 | 2a73564 |
13 | 1a2681c |
14 | 12023b6 |
15 | b517ea |
hex | 83665c |
8611420 has 12 divisors (see below), whose sum is σ = 18084024. Its totient is φ = 3444560.
The previous prime is 8611411. The next prime is 8611423. The reversal of 8611420 is 241168.
It is a junction number, because it is equal to n+sod(n) for n = 8611391 and 8611400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8611423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215266 + ... + 215305.
It is an arithmetic number, because the mean of its divisors is an integer number (1507002).
Almost surely, 28611420 is an apocalyptic number.
It is an amenable number.
8611420 is an abundant number, since it is smaller than the sum of its proper divisors (9472604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8611420 is a wasteful number, since it uses less digits than its factorization.
8611420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 430580 (or 430578 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 22.
The square root of 8611420 is about 2934.5221076012. The cubic root of 8611420 is about 204.9706085168.
Adding to 8611420 its reverse (241168), we get a palindrome (8852588).
The spelling of 8611420 in words is "eight million, six hundred eleven thousand, four hundred twenty".
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