Base | Representation |
---|---|
bin | 111110001111011… |
… | …001010010011011 |
3 | 2200202220000211210 |
4 | 332033121102123 |
5 | 4114310120011 |
6 | 251341154203 |
7 | 34606515210 |
oct | 7617312233 |
9 | 2622800753 |
10 | 1044223131 |
11 | 496489326 |
12 | 25185b963 |
13 | 138452013 |
14 | 9c97db07 |
15 | 61a196a6 |
hex | 3e3d949b |
1044223131 has 16 divisors (see below), whose sum is σ = 1591673600. Its totient is φ = 596520288.
The previous prime is 1044223129. The next prime is 1044223133. The reversal of 1044223131 is 1313224401.
It is an interprime number because it is at equal distance from previous prime (1044223129) and next prime (1044223133).
It is not a de Polignac number, because 1044223131 - 21 = 1044223129 is a prime.
It is a super-2 number, since 2×10442231312 = 2180803894630886322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1044223098 and 1044223107.
It is not an unprimeable number, because it can be changed into a prime (1044223133) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101325 + ... + 111153.
It is an arithmetic number, because the mean of its divisors is an integer number (99479600).
Almost surely, 21044223131 is an apocalyptic number.
1044223131 is a deficient number, since it is larger than the sum of its proper divisors (547450469).
1044223131 is an equidigital number, since it uses as much as digits as its factorization.
1044223131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14898.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 1044223131 is about 32314.4415238760. The cubic root of 1044223131 is about 1014.5289315124.
Adding to 1044223131 its reverse (1313224401), we get a palindrome (2357447532).
The spelling of 1044223131 in words is "one billion, forty-four million, two hundred twenty-three thousand, one hundred thirty-one".
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