Base | Representation |
---|---|
bin | 100000011111111… |
… | …100010101000000 |
3 | 1101222222021211000 |
4 | 200133330111000 |
5 | 2104040310410 |
6 | 130034252000 |
7 | 16340334024 |
oct | 4037742500 |
9 | 1358867730 |
10 | 545244480 |
11 | 25a85a280 |
12 | 132727000 |
13 | 88c66a91 |
14 | 525b2384 |
15 | 32d03dc0 |
hex | 207fc540 |
545244480 has 224 divisors, whose sum is σ = 2098730880. Its totient is φ = 132157440.
The previous prime is 545244473. The next prime is 545244481. The reversal of 545244480 is 84442545.
545244480 is a `hidden beast` number, since 54 + 524 + 4 + 4 + 80 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (545244481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92172 + ... + 97908.
Almost surely, 2545244480 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 545244480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049365440).
545244480 is an abundant number, since it is smaller than the sum of its proper divisors (1553486400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
545244480 is a wasteful number, since it uses less digits than its factorization.
545244480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5774 (or 5758 counting only the distinct ones).
The product of its (nonzero) digits is 102400, while the sum is 36.
The square root of 545244480 is about 23350.4706590681. The cubic root of 545244480 is about 816.9530387241.
It can be divided in two parts, 545 and 244480, that added together give a square (245025 = 4952).
The spelling of 545244480 in words is "five hundred forty-five million, two hundred forty-four thousand, four hundred eighty".
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