Base | Representation |
---|---|
bin | 110000001000… |
… | …011000100000 |
3 | 212202000121111 |
4 | 300020120200 |
5 | 11212222443 |
6 | 1130233104 |
7 | 212146660 |
oct | 60103040 |
9 | 25660544 |
10 | 12617248 |
11 | 7138586 |
12 | 4285794 |
13 | 27c9c37 |
14 | 19661a0 |
15 | 119369d |
hex | c08620 |
12617248 has 96 divisors (see below), whose sum is σ = 30965760. Its totient is φ = 4942080.
The previous prime is 12617243. The next prime is 12617251. The reversal of 12617248 is 84271621.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is not an unprimeable number, because it can be changed into a prime (12617243) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159673 + ... + 159751.
It is an arithmetic number, because the mean of its divisors is an integer number (322560).
Almost surely, 212617248 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12617248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15482880).
12617248 is an abundant number, since it is smaller than the sum of its proper divisors (18348512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12617248 is a wasteful number, since it uses less digits than its factorization.
12617248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150 (or 142 counting only the distinct ones).
The product of its digits is 5376, while the sum is 31.
The square root of 12617248 is about 3552.0765757511. The cubic root of 12617248 is about 232.8028073649.
Adding to 12617248 its reverse (84271621), we get a palindrome (96888869).
The spelling of 12617248 in words is "twelve million, six hundred seventeen thousand, two hundred forty-eight".
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