Base | Representation |
---|---|
bin | 101111101010… |
… | …001101011100 |
3 | 212111202002011 |
4 | 233222031130 |
5 | 11144244120 |
6 | 1123441004 |
7 | 211123444 |
oct | 57521534 |
9 | 25452064 |
10 | 12493660 |
11 | 7063743 |
12 | 4226164 |
13 | 27858ca |
14 | 1933124 |
15 | 116bc5a |
hex | bea35c |
12493660 has 12 divisors (see below), whose sum is σ = 26236728. Its totient is φ = 4997456.
The previous prime is 12493639. The next prime is 12493667. The reversal of 12493660 is 6639421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12493667) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312322 + ... + 312361.
It is an arithmetic number, because the mean of its divisors is an integer number (2186394).
Almost surely, 212493660 is an apocalyptic number.
12493660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12493660 is an abundant number, since it is smaller than the sum of its proper divisors (13743068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12493660 is a wasteful number, since it uses less digits than its factorization.
12493660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 624692 (or 624690 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 31.
The square root of 12493660 is about 3534.6371808150. The cubic root of 12493660 is about 232.0401981475.
The spelling of 12493660 in words is "twelve million, four hundred ninety-three thousand, six hundred sixty".
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