Base | Representation |
---|---|
bin | 11010001110100… |
… | …011010001110011 |
3 | 1010122222102212222 |
4 | 122032203101303 |
5 | 1400121202011 |
6 | 111355111255 |
7 | 13622061233 |
oct | 3216432163 |
9 | 1118872788 |
10 | 440022131 |
11 | 20642115a |
12 | 10344252b |
13 | 70215233 |
14 | 42621cc3 |
15 | 2896bddb |
hex | 1a3a3473 |
440022131 has 16 divisors (see below), whose sum is σ = 471204864. Its totient is φ = 409932864.
The previous prime is 440022119. The next prime is 440022151. The reversal of 440022131 is 131220044.
It is not a de Polignac number, because 440022131 - 226 = 372913267 is a prime.
It is a super-2 number, since 2×4400221312 = 387238951539562322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (440022151) 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, 251000 + ... + 252746.
It is an arithmetic number, because the mean of its divisors is an integer number (29450304).
Almost surely, 2440022131 is an apocalyptic number.
440022131 is a deficient number, since it is larger than the sum of its proper divisors (31182733).
440022131 is a wasteful number, since it uses less digits than its factorization.
440022131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2050.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 440022131 is about 20976.7044837839. The cubic root of 440022131 is about 760.6032439295.
Adding to 440022131 its reverse (131220044), we get a palindrome (571242175).
The spelling of 440022131 in words is "four hundred forty million, twenty-two thousand, one hundred thirty-one".
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