Base | Representation |
---|---|
bin | 101110101111… |
… | …110011011110 |
3 | 212001120220210 |
4 | 232233303132 |
5 | 11114120210 |
6 | 1114353250 |
7 | 206106126 |
oct | 56576336 |
9 | 25046823 |
10 | 12254430 |
11 | 6a0aa31 |
12 | 412b826 |
13 | 2700a56 |
14 | 18adc86 |
15 | 1120e20 |
hex | bafcde |
12254430 has 32 divisors (see below), whose sum is σ = 30960000. Its totient is φ = 3095712.
The previous prime is 12254419. The next prime is 12254447. The reversal of 12254430 is 3445221.
It is a junction number, because it is equal to n+sod(n) for n = 12254397 and 12254406.
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 15 ways as a sum of consecutive naturals, for example, 10180 + ... + 11319.
It is an arithmetic number, because the mean of its divisors is an integer number (967500).
Almost surely, 212254430 is an apocalyptic number.
12254430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12254430 is an abundant number, since it is smaller than the sum of its proper divisors (18705570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12254430 is a wasteful number, since it uses less digits than its factorization.
12254430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21528.
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 12254430 is about 3500.6327999377. The cubic root of 12254430 is about 230.5495993257.
Adding to 12254430 its reverse (3445221), we get a palindrome (15699651).
The spelling of 12254430 in words is "twelve million, two hundred fifty-four thousand, four hundred thirty".
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