Base | Representation |
---|---|
bin | 1101011101111111… |
… | …11000111100111001 |
3 | 200122221022101022100 |
4 | 12232333320330321 |
5 | 104302110414400 |
6 | 3153304214013 |
7 | 344122033311 |
oct | 65677707471 |
9 | 20587271270 |
10 | 7230951225 |
11 | 3080757753 |
12 | 149976a309 |
13 | 8b3109184 |
14 | 4c84b8441 |
15 | 2c4c39100 |
hex | 1aeff8f39 |
7230951225 has 27 divisors (see below), whose sum is σ = 12953722093. Its totient is φ = 3855827040.
The previous prime is 7230951223. The next prime is 7230951253. The reversal of 7230951225 is 5221590327.
The square root of 7230951225 is 85035.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 1173131001 + 6057820224 = 34251^2 + 77832^2 .
It is not a de Polignac number, because 7230951225 - 21 = 7230951223 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 7230951225.
It is not an unprimeable number, because it can be changed into a prime (7230951223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1272691 + ... + 1278359.
Almost surely, 27230951225 is an apocalyptic number.
7230951225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
7230951225 is the 85035-th square number.
7230951225 is the 42518-th centered octagonal number.
It is an amenable number.
7230951225 is a deficient number, since it is larger than the sum of its proper divisors (5722770868).
7230951225 is an frugal number, since it uses more digits than its factorization.
7230951225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11354 (or 5677 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 36.
The cubic root of 7230951225 is about 1933.7417655887.
Multiplying 7230951225 by its sum of digits (36), we get a square (260314244100 = 5102102).
The spelling of 7230951225 in words is "seven billion, two hundred thirty million, nine hundred fifty-one thousand, two hundred twenty-five".
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