Base | Representation |
---|---|
bin | 100010111000… |
… | …101010010100 |
3 | 122012121112222 |
4 | 202320222110 |
5 | 4320114410 |
6 | 524001512 |
7 | 140505515 |
oct | 42705224 |
9 | 18177488 |
10 | 9144980 |
11 | 5186839 |
12 | 3090298 |
13 | 1b82640 |
14 | 1300a0c |
15 | c09955 |
hex | 8b8a94 |
9144980 has 48 divisors (see below), whose sum is σ = 21908880. Its totient is φ = 3176448.
The previous prime is 9144917. The next prime is 9145033. The reversal of 9144980 is 894419.
It can be written as a sum of positive squares in 8 ways, for example, as 839056 + 8305924 = 916^2 + 2882^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 9144980.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3386 + ... + 5454.
It is an arithmetic number, because the mean of its divisors is an integer number (456435).
Almost surely, 29144980 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 9144980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10954440).
9144980 is an abundant number, since it is smaller than the sum of its proper divisors (12763900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9144980 is a wasteful number, since it uses less digits than its factorization.
9144980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2108 (or 2106 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 35.
The square root of 9144980 is about 3024.0667982040. The cubic root of 9144980 is about 209.1193658926.
The spelling of 9144980 in words is "nine million, one hundred forty-four thousand, nine hundred eighty".
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