Base | Representation |
---|---|
bin | 1111100011001… |
… | …00100010011001 |
3 | 100002102210111021 |
4 | 13301210202121 |
5 | 231342411400 |
6 | 20535402441 |
7 | 3142452424 |
oct | 761444231 |
9 | 302383437 |
10 | 130435225 |
11 | 67699a08 |
12 | 37823421 |
13 | 2103b90b |
14 | 134749bb |
15 | b6b771a |
hex | 7c64899 |
130435225 has 12 divisors (see below), whose sum is σ = 162418300. Its totient is φ = 103910400.
The previous prime is 130435219. The next prime is 130435229. The reversal of 130435225 is 522534031.
It can be written as a sum of positive squares in 6 ways, for example, as 725904 + 129709321 = 852^2 + 11389^2 .
It is not a de Polignac number, because 130435225 - 29 = 130434713 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 130435225.
It is not an unprimeable number, because it can be changed into a prime (130435229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4800 + ... + 16849.
Almost surely, 2130435225 is an apocalyptic number.
It is an amenable number.
130435225 is a deficient number, since it is larger than the sum of its proper divisors (31983075).
130435225 is a wasteful number, since it uses less digits than its factorization.
130435225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21900 (or 21895 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 25.
The square root of 130435225 is about 11420.8241821683. The cubic root of 130435225 is about 507.1443956651.
Adding to 130435225 its reverse (522534031), we get a palindrome (652969256).
The spelling of 130435225 in words is "one hundred thirty million, four hundred thirty-five thousand, two hundred twenty-five".
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