Base | Representation |
---|---|
bin | 11010010010110… |
… | …11011001011101 |
3 | 120101001101110111 |
4 | 31021123121131 |
5 | 422431402300 |
6 | 33515410021 |
7 | 5315600515 |
oct | 1511333135 |
9 | 511041414 |
10 | 220575325 |
11 | 103566563 |
12 | 61a53911 |
13 | 3690c559 |
14 | 2141a845 |
15 | 145709ba |
hex | d25b65d |
220575325 has 6 divisors (see below), whose sum is σ = 273513434. Its totient is φ = 176460240.
The previous prime is 220575317. The next prime is 220575353. The reversal of 220575325 is 523575022.
It can be written as a sum of positive squares in 3 ways, for example, as 22638564 + 197936761 = 4758^2 + 14069^2 .
It is not a de Polignac number, because 220575325 - 23 = 220575317 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4411482 + ... + 4411531.
Almost surely, 2220575325 is an apocalyptic number.
220575325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
220575325 is a deficient number, since it is larger than the sum of its proper divisors (52938109).
220575325 is an equidigital number, since it uses as much as digits as its factorization.
220575325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8823023 (or 8823018 counting only the distinct ones).
The product of its (nonzero) digits is 21000, while the sum is 31.
The square root of 220575325 is about 14851.7785130266. The cubic root of 220575325 is about 604.2068471626.
It can be divided in two parts, 220575 and 325, that added together give a square (220900 = 4702).
The spelling of 220575325 in words is "two hundred twenty million, five hundred seventy-five thousand, three hundred twenty-five".
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