Base | Representation |
---|---|
bin | 11110001000010… |
… | …01111000111101 |
3 | 122121120220011001 |
4 | 33010021320331 |
5 | 1004200403300 |
6 | 41025130301 |
7 | 6156213445 |
oct | 1704117075 |
9 | 577526131 |
10 | 252747325 |
11 | 11a73a896 |
12 | 70789991 |
13 | 4049503c |
14 | 257d3125 |
15 | 172c816a |
hex | f109e3d |
252747325 has 12 divisors (see below), whose sum is σ = 324214740. Its totient is φ = 195224960.
The previous prime is 252747323. The next prime is 252747361. The reversal of 252747325 is 523747252.
It can be written as a sum of positive squares in 6 ways, for example, as 62141689 + 190605636 = 7883^2 + 13806^2 .
It is not a de Polignac number, because 252747325 - 21 = 252747323 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252747323) 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, 173584 + ... + 175033.
It is an arithmetic number, because the mean of its divisors is an integer number (27017895).
Almost surely, 2252747325 is an apocalyptic number.
252747325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
252747325 is a deficient number, since it is larger than the sum of its proper divisors (71467415).
252747325 is a wasteful number, since it uses less digits than its factorization.
252747325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 348656 (or 348651 counting only the distinct ones).
The product of its digits is 117600, while the sum is 37.
The square root of 252747325 is about 15898.0289658813. The cubic root of 252747325 is about 632.2597315780.
The spelling of 252747325 in words is "two hundred fifty-two million, seven hundred forty-seven thousand, three hundred twenty-five".
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