Base | Representation |
---|---|
bin | 110000101010… |
… | …001110110100 |
3 | 220000001210110 |
4 | 300222032310 |
5 | 11231142032 |
6 | 1133223020 |
7 | 213265122 |
oct | 60521664 |
9 | 26001713 |
10 | 12755892 |
11 | 7222766 |
12 | 4331a70 |
13 | 2848086 |
14 | 19a0912 |
15 | 11be7cc |
hex | c2a3b4 |
12755892 has 48 divisors (see below), whose sum is σ = 31409280. Its totient is φ = 4021248.
The previous prime is 12755851. The next prime is 12755903. The reversal of 12755892 is 29855721.
It is a self number, because there is not a number n which added to its sum of digits gives 12755892.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 30984 + ... + 31392.
It is an arithmetic number, because the mean of its divisors is an integer number (654360).
Almost surely, 212755892 is an apocalyptic number.
12755892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12755892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15704640).
12755892 is an abundant number, since it is smaller than the sum of its proper divisors (18653388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12755892 is a wasteful number, since it uses less digits than its factorization.
12755892 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 552 (or 550 counting only the distinct ones).
The product of its digits is 50400, while the sum is 39.
The square root of 12755892 is about 3571.5391640020. The cubic root of 12755892 is about 233.6524169686.
The spelling of 12755892 in words is "twelve million, seven hundred fifty-five thousand, eight hundred ninety-two".
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