Base | Representation |
---|---|
bin | 111101011110100… |
… | …110111100111101 |
3 | 2122212211021111221 |
4 | 331132212330331 |
5 | 4103021342140 |
6 | 250203113341 |
7 | 34363021225 |
oct | 7536467475 |
9 | 2585737457 |
10 | 1031434045 |
11 | 48a243734 |
12 | 249512851 |
13 | 1358c4b05 |
14 | 9adb1085 |
15 | 6084014a |
hex | 3d7a6f3d |
1031434045 has 4 divisors (see below), whose sum is σ = 1237720860. Its totient is φ = 825147232.
The previous prime is 1031434031. The next prime is 1031434067. The reversal of 1031434045 is 5404341301.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5404341301 = 2341 ⋅2308561.
It can be written as a sum of positive squares in 2 ways, for example, as 638522361 + 392911684 = 25269^2 + 19822^2 .
It is a cyclic number.
It is not a de Polignac number, because 1031434045 - 211 = 1031431997 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103143400 + ... + 103143409.
It is an arithmetic number, because the mean of its divisors is an integer number (309430215).
Almost surely, 21031434045 is an apocalyptic number.
It is an amenable number.
1031434045 is a deficient number, since it is larger than the sum of its proper divisors (206286815).
1031434045 is an equidigital number, since it uses as much as digits as its factorization.
1031434045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 206286814.
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 1031434045 is about 32115.9468955844. The cubic root of 1031434045 is about 1010.3701042083.
Adding to 1031434045 its reverse (5404341301), we get a palindrome (6435775346).
The spelling of 1031434045 in words is "one billion, thirty-one million, four hundred thirty-four thousand, forty-five".
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