Base | Representation |
---|---|
bin | 11010011101111… |
… | …10110010101111 |
3 | 120110210100022020 |
4 | 31032332302233 |
5 | 423314443043 |
6 | 34010521223 |
7 | 5334142524 |
oct | 1516766257 |
9 | 513710266 |
10 | 222031023 |
11 | 104370215 |
12 | 62436213 |
13 | 36ccc006 |
14 | 216b914b |
15 | 1475be83 |
hex | d3becaf |
222031023 has 8 divisors (see below), whose sum is σ = 298915968. Its totient is φ = 146583384.
The previous prime is 222031013. The next prime is 222031049. The reversal of 222031023 is 320130222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 222031023 - 210 = 222029999 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 222030993 and 222031011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222031013) 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 7 ways as a sum of consecutive naturals, for example, 358965 + ... + 359582.
It is an arithmetic number, because the mean of its divisors is an integer number (37364496).
Almost surely, 2222031023 is an apocalyptic number.
222031023 is a deficient number, since it is larger than the sum of its proper divisors (76884945).
222031023 is a wasteful number, since it uses less digits than its factorization.
222031023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 718653.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 222031023 is about 14900.7054530985. The cubic root of 222031023 is about 605.5330984100.
Adding to 222031023 its reverse (320130222), we get a palindrome (542161245).
The spelling of 222031023 in words is "two hundred twenty-two million, thirty-one thousand, twenty-three".
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