Base | Representation |
---|---|
bin | 111101011110101… |
… | …001011111010001 |
3 | 2122212211210202200 |
4 | 331132221133101 |
5 | 4103022210213 |
6 | 250203233413 |
7 | 34363063425 |
oct | 7536513721 |
9 | 2585753680 |
10 | 1031444433 |
11 | 48a250518 |
12 | 249518869 |
13 | 1358c9766 |
14 | 9adb4b85 |
15 | 60843273 |
hex | 3d7a97d1 |
1031444433 has 6 divisors (see below), whose sum is σ = 1489864194. Its totient is φ = 687629616.
The previous prime is 1031444423. The next prime is 1031444441. The reversal of 1031444433 is 3344441301.
It can be written as a sum of positive squares in only one way, i.e., 808151184 + 223293249 = 28428^2 + 14943^2 .
It is not a de Polignac number, because 1031444433 - 224 = 1014667217 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1031444397 and 1031444406.
It is not an unprimeable number, because it can be changed into a prime (1031444423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57302460 + ... + 57302477.
It is an arithmetic number, because the mean of its divisors is an integer number (248310699).
Almost surely, 21031444433 is an apocalyptic number.
It is an amenable number.
1031444433 is a deficient number, since it is larger than the sum of its proper divisors (458419761).
1031444433 is a wasteful number, since it uses less digits than its factorization.
1031444433 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 114604943 (or 114604940 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
The square root of 1031444433 is about 32116.1086216870. The cubic root of 1031444433 is about 1010.3734961490.
Adding to 1031444433 its reverse (3344441301), we get a palindrome (4375885734).
The spelling of 1031444433 in words is "one billion, thirty-one million, four hundred forty-four thousand, four hundred thirty-three".
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