Base | Representation |
---|---|
bin | 10000111100011011001 |
3 | 1001012121220 |
4 | 2013203121 |
5 | 120231400 |
6 | 15522253 |
7 | 4501506 |
oct | 2074331 |
9 | 1035556 |
10 | 555225 |
11 | 34a170 |
12 | 229389 |
13 | 165948 |
14 | 1064ad |
15 | ae7a0 |
hex | 878d9 |
555225 has 24 divisors (see below), whose sum is σ = 1002912. Its totient is φ = 268800.
The previous prime is 555221. The next prime is 555251. The reversal of 555225 is 522555.
555225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 555225 - 22 = 555221 is a prime.
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 555195 and 555204.
It is not an unprimeable number, because it can be changed into a prime (555221) 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, 489 + ... + 1161.
It is an arithmetic number, because the mean of its divisors is an integer number (41788).
2555225 is an apocalyptic number.
555225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
555225 is a deficient number, since it is larger than the sum of its proper divisors (447687).
555225 is a wasteful number, since it uses less digits than its factorization.
555225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 697 (or 692 counting only the distinct ones).
The product of its digits is 2500, while the sum is 24.
The square root of 555225 is about 745.1342160980. The cubic root of 555225 is about 82.1907615075.
It can be divided in two parts, 555 and 225, that added together give a triangular number (780 = T39).
The spelling of 555225 in words is "five hundred fifty-five thousand, two hundred twenty-five".
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