Base | Representation |
---|---|
bin | 101110110111… |
… | …111010100100 |
3 | 212010021111020 |
4 | 232313322210 |
5 | 11121201102 |
6 | 1115211140 |
7 | 206305026 |
oct | 56677244 |
9 | 25107436 |
10 | 12287652 |
11 | 6a32993 |
12 | 4146ab0 |
13 | 2712c00 |
14 | 18bc016 |
15 | 112abbc |
hex | bb7ea4 |
12287652 has 72 divisors (see below), whose sum is σ = 31850784. Its totient is φ = 3684096.
The previous prime is 12287641. The next prime is 12287683. The reversal of 12287652 is 25678221.
It is a plaindrome in base 15.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148003 + ... + 148085.
It is an arithmetic number, because the mean of its divisors is an integer number (442372).
Almost surely, 212287652 is an apocalyptic number.
12287652 is a gapful number since it is divisible by the number (12) 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 12287652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15925392).
12287652 is an abundant number, since it is smaller than the sum of its proper divisors (19563132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12287652 is a wasteful number, since it uses less digits than its factorization.
12287652 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189 (or 174 counting only the distinct ones).
The product of its digits is 13440, while the sum is 33.
The square root of 12287652 is about 3505.3747303248. The cubic root of 12287652 is about 230.7577528308.
The spelling of 12287652 in words is "twelve million, two hundred eighty-seven thousand, six hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •