Base | Representation |
---|---|
bin | 110011100011111… |
… | …1110011100011001 |
3 | 11110120120102102100 |
4 | 1213013332130121 |
5 | 12020404102100 |
6 | 443402554013 |
7 | 60605660451 |
oct | 14707763431 |
9 | 4416512370 |
10 | 1730144025 |
11 | 8086918a5 |
12 | 403508909 |
13 | 2175a1c7c |
14 | 125ad0d61 |
15 | a1d5a400 |
hex | 671fe719 |
1730144025 has 81 divisors (see below), whose sum is σ = 3220790911. Its totient is φ = 887803680.
The previous prime is 1730143991. The next prime is 1730144027. The reversal of 1730144025 is 5204410371.
The square root of 1730144025 is 41595.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 622851849 + 1107292176 = 24957^2 + 33276^2 .
It is not a de Polignac number, because 1730144025 - 27 = 1730143897 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1730144025.
It is not an unprimeable number, because it can be changed into a prime (1730144027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 29324446 + ... + 29324504.
Almost surely, 21730144025 is an apocalyptic number.
1730144025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1730144025 is the 41595-th square number.
1730144025 is the 20798-th centered octagonal number.
It is an amenable number.
1730144025 is a deficient number, since it is larger than the sum of its proper divisors (1490646886).
1730144025 is an equidigital number, since it uses as much as digits as its factorization.
1730144025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 228 (or 114 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The cubic root of 1730144025 is about 1200.4960969616.
Adding to 1730144025 its reverse (5204410371), we get a palindrome (6934554396).
The spelling of 1730144025 in words is "one billion, seven hundred thirty million, one hundred forty-four thousand, twenty-five".
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