Base | Representation |
---|---|
bin | 11101010001001… |
… | …11111000001101 |
3 | 122010000020000100 |
4 | 32220213320031 |
5 | 1000323431000 |
6 | 40210321313 |
7 | 6040654161 |
oct | 1650477015 |
9 | 563006010 |
10 | 245530125 |
11 | 116660465 |
12 | 6a289239 |
13 | 3bb38cc9 |
14 | 24874ca1 |
15 | 1684ea00 |
hex | ea27e0d |
245530125 has 24 divisors (see below), whose sum is σ = 442611000. Its totient is φ = 130948800.
The previous prime is 245530123. The next prime is 245530127. The reversal of 245530125 is 521035542.
It is a happy number.
245530125 is a `hidden beast` number, since 2 + 4 + 5 + 530 + 125 = 666.
It is an interprime number because it is at equal distance from previous prime (245530123) and next prime (245530127).
It can be written as a sum of positive squares in 4 ways, for example, as 6456681 + 239073444 = 2541^2 + 15462^2 .
It is not a de Polignac number, because 245530125 - 21 = 245530123 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245530121) 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, 108000 + ... + 110249.
It is an arithmetic number, because the mean of its divisors is an integer number (18442125).
Almost surely, 2245530125 is an apocalyptic number.
245530125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
245530125 is a deficient number, since it is larger than the sum of its proper divisors (197080875).
245530125 is a wasteful number, since it uses less digits than its factorization.
245530125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 218270 (or 218257 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 245530125 is about 15669.4009138831. The cubic root of 245530125 is about 626.1834643118.
Adding to 245530125 its reverse (521035542), we get a palindrome (766565667).
The spelling of 245530125 in words is "two hundred forty-five million, five hundred thirty thousand, one hundred twenty-five".
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