Base | Representation |
---|---|
bin | 101111100001… |
… | …010001111000 |
3 | 212102212220100 |
4 | 233201101320 |
5 | 11142111310 |
6 | 1122555400 |
7 | 210612006 |
oct | 57412170 |
9 | 25385810 |
10 | 12457080 |
11 | 7039209 |
12 | 4208b60 |
13 | 277206c |
14 | 1923a76 |
15 | 1160ec0 |
hex | be1478 |
12457080 has 48 divisors (see below), whose sum is σ = 40486680. Its totient is φ = 3321792.
The previous prime is 12457061. The next prime is 12457091. The reversal of 12457080 is 8075421.
12457080 is a `hidden beast` number, since 12 + 4 + 570 + 80 = 666.
12457080 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16942 + ... + 17661.
Almost surely, 212457080 is an apocalyptic number.
12457080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12457080 is an abundant number, since it is smaller than the sum of its proper divisors (28029600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12457080 is a wasteful number, since it uses less digits than its factorization.
12457080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34620 (or 34613 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 12457080 is about 3529.4588820384. The cubic root of 12457080 is about 231.8135144284.
The spelling of 12457080 in words is "twelve million, four hundred fifty-seven thousand, eighty".
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