Base | Representation |
---|---|
bin | 1000010011110001… |
… | …1110010111011011 |
3 | 12202102222101001202 |
4 | 2010330132113123 |
5 | 14031443224111 |
6 | 1005154104415 |
7 | 106162321436 |
oct | 20474362733 |
9 | 5672871052 |
10 | 2230445531 |
11 | a45034816 |
12 | 522b7b10b |
13 | 297131372 |
14 | 17232481d |
15 | d0c32b3b |
hex | 84f1e5db |
2230445531 has 4 divisors (see below), whose sum is σ = 2241654000. Its totient is φ = 2219237064.
The previous prime is 2230445491. The next prime is 2230445537. The reversal of 2230445531 is 1355440322.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1355440322 = 2 ⋅677720161.
It is a cyclic number.
It is not a de Polignac number, because 2230445531 - 210 = 2230444507 is a prime.
It is a super-2 number, since 2×22304455312 = 9949774533515743922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2230445494 and 2230445503.
It is not an unprimeable number, because it can be changed into a prime (2230445537) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5603936 + ... + 5604333.
It is an arithmetic number, because the mean of its divisors is an integer number (560413500).
Almost surely, 22230445531 is an apocalyptic number.
2230445531 is a deficient number, since it is larger than the sum of its proper divisors (11208469).
2230445531 is a wasteful number, since it uses less digits than its factorization.
2230445531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11208468.
The product of its (nonzero) digits is 14400, while the sum is 29.
The square root of 2230445531 is about 47227.5928986435. The cubic root of 2230445531 is about 1306.5635572258.
Adding to 2230445531 its reverse (1355440322), we get a palindrome (3585885853).
The spelling of 2230445531 in words is "two billion, two hundred thirty million, four hundred forty-five thousand, five hundred thirty-one".
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