Base | Representation |
---|---|
bin | 101110101000… |
… | …111110100110 |
3 | 212000011120020 |
4 | 232220332212 |
5 | 11112221340 |
6 | 1114020010 |
7 | 205631454 |
oct | 56507646 |
9 | 25004506 |
10 | 12226470 |
11 | 69a0a23 |
12 | 4117606 |
13 | 26c10c9 |
14 | 18a39d4 |
15 | 11179d0 |
hex | ba8fa6 |
12226470 has 32 divisors (see below), whose sum is σ = 29548800. Its totient is φ = 3237600.
The previous prime is 12226469. The next prime is 12226471. The reversal of 12226470 is 7462221.
It is an interprime number because it is at equal distance from previous prime (12226469) and next prime (12226471).
It is a self number, because there is not a number n which added to its sum of digits gives 12226470.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12226471) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3181 + ... + 5879.
It is an arithmetic number, because the mean of its divisors is an integer number (923400).
Almost surely, 212226470 is an apocalyptic number.
12226470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12226470 is an abundant number, since it is smaller than the sum of its proper divisors (17322330).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12226470 is a wasteful number, since it uses less digits than its factorization.
12226470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2860.
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 12226470 is about 3496.6369557047. The cubic root of 12226470 is about 230.3741233115.
Adding to 12226470 its reverse (7462221), we get a palindrome (19688691).
The spelling of 12226470 in words is "twelve million, two hundred twenty-six thousand, four hundred seventy".
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