Base | Representation |
---|---|
bin | 100000110101011… |
… | …101111101010111 |
3 | 1102101120222020200 |
4 | 200311131331113 |
5 | 2112011343010 |
6 | 130355231543 |
7 | 16436315202 |
oct | 4065357527 |
9 | 1371528220 |
10 | 550887255 |
11 | 262a63826 |
12 | 1345a85b3 |
13 | 8a1912b9 |
14 | 53240939 |
15 | 3356acc0 |
hex | 20d5df57 |
550887255 has 12 divisors (see below), whose sum is σ = 954871320. Its totient is φ = 293806512.
The previous prime is 550887251. The next prime is 550887257. The reversal of 550887255 is 552788055.
It is not a de Polignac number, because 550887255 - 22 = 550887251 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 12241939 = 550887255 / (5 + 5 + 0 + 8 + 8 + 7 + 2 + 5 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 550887255.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (550887251) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6120925 + ... + 6121014.
It is an arithmetic number, because the mean of its divisors is an integer number (79572610).
Almost surely, 2550887255 is an apocalyptic number.
550887255 is a deficient number, since it is larger than the sum of its proper divisors (403984065).
550887255 is a wasteful number, since it uses less digits than its factorization.
550887255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12241950 (or 12241947 counting only the distinct ones).
The product of its (nonzero) digits is 560000, while the sum is 45.
The square root of 550887255 is about 23470.9875165064. The cubic root of 550887255 is about 819.7616077779.
The spelling of 550887255 in words is "five hundred fifty million, eight hundred eighty-seven thousand, two hundred fifty-five".
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