Base | Representation |
---|---|
bin | 111101000110001… |
… | …011101001101101 |
3 | 2122102202221212102 |
4 | 331012023221231 |
5 | 4044401441030 |
6 | 245413544445 |
7 | 34254421613 |
oct | 7506135155 |
9 | 2572687772 |
10 | 1025030765 |
11 | 48666a870 |
12 | 247345125 |
13 | 1344923a5 |
14 | 9a1c56b3 |
15 | 5eec7c45 |
hex | 3d18ba6d |
1025030765 has 32 divisors (see below), whose sum is σ = 1413974016. Its totient is φ = 706052160.
The previous prime is 1025030761. The next prime is 1025030771. The reversal of 1025030765 is 5670305201.
It is not a de Polignac number, because 1025030765 - 22 = 1025030761 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1025030761) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126362 + ... + 134228.
It is an arithmetic number, because the mean of its divisors is an integer number (44186688).
Almost surely, 21025030765 is an apocalyptic number.
It is an amenable number.
1025030765 is a deficient number, since it is larger than the sum of its proper divisors (388943251).
1025030765 is a wasteful number, since it uses less digits than its factorization.
1025030765 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8009.
The product of its (nonzero) digits is 6300, while the sum is 29.
The square root of 1025030765 is about 32016.1016521375. The cubic root of 1025030765 is about 1008.2749250749.
Adding to 1025030765 its reverse (5670305201), we get a palindrome (6695335966).
The spelling of 1025030765 in words is "one billion, twenty-five million, thirty thousand, seven hundred sixty-five".
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