Base | Representation |
---|---|
bin | 100010111000… |
… | …101110100000 |
3 | 122012121220220 |
4 | 202320232200 |
5 | 4320121443 |
6 | 524003040 |
7 | 140506350 |
oct | 42705640 |
9 | 18177826 |
10 | 9145248 |
11 | 5186a62 |
12 | 3090480 |
13 | 1b827b8 |
14 | 1300b60 |
15 | c09a83 |
hex | 8b8ba0 |
9145248 has 96 divisors (see below), whose sum is σ = 28385280. Its totient is φ = 2522880.
The previous prime is 9145243. The next prime is 9145249. The reversal of 9145248 is 8425419.
It is a tau number, because it is divible by the number of its divisors (96).
It is not an unprimeable number, because it can be changed into a prime (9145243) 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, 20613 + ... + 21051.
It is an arithmetic number, because the mean of its divisors is an integer number (295680).
Almost surely, 29145248 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 9145248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14192640).
9145248 is an abundant number, since it is smaller than the sum of its proper divisors (19240032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9145248 is a wasteful number, since it uses less digits than its factorization.
9145248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 490 (or 482 counting only the distinct ones).
The product of its digits is 11520, while the sum is 33.
The square root of 9145248 is about 3024.1111090699. Note that the first 4 decimals coincide. The cubic root of 9145248 is about 209.1214086688.
The spelling of 9145248 in words is "nine million, one hundred forty-five thousand, two hundred forty-eight".
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