Base | Representation |
---|---|
bin | 110001100001… |
… | …100100010110 |
3 | 220102120201012 |
4 | 301201210112 |
5 | 11310420200 |
6 | 1142132222 |
7 | 215231000 |
oct | 61414426 |
9 | 26376635 |
10 | 12982550 |
11 | 7367a89 |
12 | 4421072 |
13 | 28c72a9 |
14 | 1a1d370 |
15 | 1216a35 |
hex | c61916 |
12982550 has 48 divisors (see below), whose sum is σ = 28197600. Its totient is φ = 4445280.
The previous prime is 12982507. The next prime is 12982553. The reversal of 12982550 is 5528921.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12982553) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16772 + ... + 17528.
It is an arithmetic number, because the mean of its divisors is an integer number (587450).
Almost surely, 212982550 is an apocalyptic number.
12982550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12982550 is an abundant number, since it is smaller than the sum of its proper divisors (15215050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12982550 is an equidigital number, since it uses as much as digits as its factorization.
12982550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 790 (or 771 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 32.
The square root of 12982550 is about 3603.1305832567. The cubic root of 12982550 is about 235.0282145089.
The spelling of 12982550 in words is "twelve million, nine hundred eighty-two thousand, five hundred fifty".
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