Base | Representation |
---|---|
bin | 100000110111101… |
… | …000000110011101 |
3 | 1102102122201102100 |
4 | 200313220012131 |
5 | 2112132444320 |
6 | 130415315313 |
7 | 16444162641 |
oct | 4067500635 |
9 | 1372581370 |
10 | 551453085 |
11 | 26330a957 |
12 | 13481bb39 |
13 | 8a32ba01 |
14 | 5334ac21 |
15 | 3362d790 |
hex | 20de819d |
551453085 has 24 divisors (see below), whose sum is σ = 962839800. Its totient is φ = 291958272.
The previous prime is 551453059. The next prime is 551453087. The reversal of 551453085 is 580354155.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 153809604 + 397643481 = 12402^2 + 19941^2 .
It is not a de Polignac number, because 551453085 - 25 = 551453053 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (551453087) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38560 + ... + 50889.
It is an arithmetic number, because the mean of its divisors is an integer number (40118325).
Almost surely, 2551453085 is an apocalyptic number.
It is an amenable number.
551453085 is a deficient number, since it is larger than the sum of its proper divisors (411386715).
551453085 is a wasteful number, since it uses less digits than its factorization.
551453085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89597 (or 89594 counting only the distinct ones).
The product of its (nonzero) digits is 60000, while the sum is 36.
The square root of 551453085 is about 23483.0382403981. The cubic root of 551453085 is about 820.0421775846.
The spelling of 551453085 in words is "five hundred fifty-one million, four hundred fifty-three thousand, eighty-five".
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