Base | Representation |
---|---|
bin | 111101000111101… |
… | …101101101011101 |
3 | 2122110112100211021 |
4 | 331013231231131 |
5 | 4100002314123 |
6 | 245430324141 |
7 | 34261013605 |
oct | 7507555535 |
9 | 2573470737 |
10 | 1025432413 |
11 | 486914605 |
12 | 2474b9651 |
13 | 1345a3155 |
14 | 9a28bc05 |
15 | 60056c5d |
hex | 3d1edb5d |
1025432413 has 12 divisors (see below), whose sum is σ = 1083605148. Its totient is φ = 970240320.
The previous prime is 1025432407. The next prime is 1025432531. The reversal of 1025432413 is 3142345201.
It can be written as a sum of positive squares in 2 ways, for example, as 165945924 + 859486489 = 12882^2 + 29317^2 .
It is not a de Polignac number, because 1025432413 - 213 = 1025424221 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 (1025432113) 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, 429483 + ... + 431863.
It is an arithmetic number, because the mean of its divisors is an integer number (90300429).
Almost surely, 21025432413 is an apocalyptic number.
It is an amenable number.
1025432413 is a deficient number, since it is larger than the sum of its proper divisors (58172735).
1025432413 is a wasteful number, since it uses less digits than its factorization.
1025432413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3612 (or 3593 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 1025432413 is about 32022.3736315720. The cubic root of 1025432413 is about 1008.4066020085.
Adding to 1025432413 its reverse (3142345201), we get a palindrome (4167777614).
The spelling of 1025432413 in words is "one billion, twenty-five million, four hundred thirty-two thousand, four hundred thirteen".
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