Base | Representation |
---|---|
bin | 111101011101001… |
… | …011000000010001 |
3 | 2122212010010220001 |
4 | 331131023000101 |
5 | 4102422314200 |
6 | 250151050001 |
7 | 34356562216 |
oct | 7535130021 |
9 | 2585103801 |
10 | 1031057425 |
11 | 48a006782 |
12 | 249370901 |
13 | 1357c2568 |
14 | 9ad13b0d |
15 | 607b876a |
hex | 3d74b011 |
1031057425 has 6 divisors (see below), whose sum is σ = 1278511238. Its totient is φ = 824845920.
The previous prime is 1031057413. The next prime is 1031057449. The reversal of 1031057425 is 5247501301.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 314317441 + 716739984 = 17729^2 + 26772^2 .
It is not a de Polignac number, because 1031057425 - 25 = 1031057393 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1031057393 and 1031057402.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20621124 + ... + 20621173.
Almost surely, 21031057425 is an apocalyptic number.
It is an amenable number.
1031057425 is a deficient number, since it is larger than the sum of its proper divisors (247453813).
1031057425 is an equidigital number, since it uses as much as digits as its factorization.
1031057425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41242307 (or 41242302 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 28.
The square root of 1031057425 is about 32110.0829179870. The cubic root of 1031057425 is about 1010.2471130146.
Adding to 1031057425 its reverse (5247501301), we get a palindrome (6278558726).
The spelling of 1031057425 in words is "one billion, thirty-one million, fifty-seven thousand, four hundred twenty-five".
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