Base | Representation |
---|---|
bin | 101111101001… |
… | …101001100000 |
3 | 212111121220222 |
4 | 233221221200 |
5 | 11144210420 |
6 | 1123422212 |
7 | 211113650 |
oct | 57515140 |
9 | 25447828 |
10 | 12491360 |
11 | 7061a42 |
12 | 4224968 |
13 | 278484b |
14 | 1932360 |
15 | 116b225 |
hex | be9a60 |
12491360 has 96 divisors (see below), whose sum is σ = 35562240. Its totient is φ = 4050432.
The previous prime is 12491351. The next prime is 12491389. The reversal of 12491360 is 6319421.
12491360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×124913603 (a number of 22 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20987 + ... + 21573.
It is an arithmetic number, because the mean of its divisors is an integer number (370440).
Almost surely, 212491360 is an apocalyptic number.
12491360 is a gapful number since it is divisible by the number (10) 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 12491360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17781120).
12491360 is an abundant number, since it is smaller than the sum of its proper divisors (23070880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12491360 is a wasteful number, since it uses less digits than its factorization.
12491360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 628 (or 620 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 12491360 is about 3534.3118142009. The cubic root of 12491360 is about 232.0259582528.
The spelling of 12491360 in words is "twelve million, four hundred ninety-one thousand, three hundred sixty".
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