Base | Representation |
---|---|
bin | 100010011000… |
… | …001100001100 |
3 | 121221212010001 |
4 | 202120030030 |
5 | 4301340410 |
6 | 521054044 |
7 | 136412665 |
oct | 42301414 |
9 | 17855101 |
10 | 9011980 |
11 | 50a591a |
12 | 3027324 |
13 | 1b36c43 |
14 | 12a836c |
15 | bd033a |
hex | 89830c |
9011980 has 12 divisors (see below), whose sum is σ = 18925200. Its totient is φ = 3604784.
The previous prime is 9011939. The next prime is 9011987. The reversal of 9011980 is 891109.
It is not an unprimeable number, because it can be changed into a prime (9011987) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225280 + ... + 225319.
It is an arithmetic number, because the mean of its divisors is an integer number (1577100).
Almost surely, 29011980 is an apocalyptic number.
It is an amenable number.
9011980 is an abundant number, since it is smaller than the sum of its proper divisors (9913220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9011980 is a wasteful number, since it uses less digits than its factorization.
9011980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 450608 (or 450606 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 28.
The square root of 9011980 is about 3001.9960026622. The cubic root of 9011980 is about 208.1006354738.
The spelling of 9011980 in words is "nine million, eleven thousand, nine hundred eighty".
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