Base | Representation |
---|---|
bin | 111100110011000… |
… | …101101001010001 |
3 | 2122002100122211110 |
4 | 330303011221101 |
5 | 4042111303200 |
6 | 245114403533 |
7 | 34164034026 |
oct | 7463055121 |
9 | 2562318743 |
10 | 1020025425 |
11 | 483861221 |
12 | 2457305a9 |
13 | 13342c053 |
14 | 9968154d |
15 | 5e839b50 |
hex | 3ccc5a51 |
1020025425 has 12 divisors (see below), whose sum is σ = 1686442160. Its totient is φ = 544013520.
The previous prime is 1020025397. The next prime is 1020025427. The reversal of 1020025425 is 5245200201.
It is a happy number.
1020025425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1020025425 - 211 = 1020023377 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1020025427) 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, 6800095 + ... + 6800244.
Almost surely, 21020025425 is an apocalyptic number.
1020025425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1020025425 is a deficient number, since it is larger than the sum of its proper divisors (666416735).
1020025425 is a wasteful number, since it uses less digits than its factorization.
1020025425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13600352 (or 13600347 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 1020025425 is about 31937.8368866772. The cubic root of 1020025425 is about 1006.6310733411.
Adding to 1020025425 its reverse (5245200201), we get a palindrome (6265225626).
The spelling of 1020025425 in words is "one billion, twenty million, twenty-five thousand, four hundred twenty-five".
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