Base | Representation |
---|---|
bin | 101111100000… |
… | …000011110000 |
3 | 212102122001011 |
4 | 233200003300 |
5 | 11141431310 |
6 | 1122520304 |
7 | 210561304 |
oct | 57400360 |
9 | 25378034 |
10 | 12452080 |
11 | 7035483 |
12 | 4206094 |
13 | 276c9c4 |
14 | 1921d04 |
15 | 115e78a |
hex | be00f0 |
12452080 has 40 divisors (see below), whose sum is σ = 29890944. Its totient is φ = 4819200.
The previous prime is 12452053. The next prime is 12452081. The reversal of 12452080 is 8025421.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12452081) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31 + ... + 4990.
It is a vampire number, since it can be written as 2480 ⋅ 5021 (with its own digits).
Almost surely, 212452080 is an apocalyptic number.
12452080 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 12452080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14945472).
12452080 is an abundant number, since it is smaller than the sum of its proper divisors (17438864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12452080 is a wasteful number, since it uses less digits than its factorization.
12452080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5065 (or 5059 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 22.
The square root of 12452080 is about 3528.7504870705. The cubic root of 12452080 is about 231.7824953164.
The spelling of 12452080 in words is "twelve million, four hundred fifty-two thousand, eighty".
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