Base | Representation |
---|---|
bin | 10000101001011110000 |
3 | 1000201022110 |
4 | 2011023300 |
5 | 114424040 |
6 | 15405320 |
7 | 4431303 |
oct | 2051360 |
9 | 1021273 |
10 | 545520 |
11 | 342948 |
12 | 223840 |
13 | 1613c1 |
14 | 102b3a |
15 | ab980 |
hex | 852f0 |
545520 has 40 divisors (see below), whose sum is σ = 1691856. Its totient is φ = 145408.
The previous prime is 545497. The next prime is 545521. The reversal of 545520 is 25545.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (545521) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897 + ... + 1376.
2545520 is an apocalyptic number.
It is an amenable number.
545520 is an abundant number, since it is smaller than the sum of its proper divisors (1146336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
545520 is a wasteful number, since it uses less digits than its factorization.
545520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2289 (or 2283 counting only the distinct ones).
The product of its (nonzero) digits is 1000, while the sum is 21.
The square root of 545520 is about 738.5932574834. The cubic root of 545520 is about 81.7090621654.
The spelling of 545520 in words is "five hundred forty-five thousand, five hundred twenty".
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