Base | Representation |
---|---|
bin | 11010011110110… |
… | …10001010100101 |
3 | 120111000001002202 |
4 | 31033122022211 |
5 | 423332040031 |
6 | 34013144245 |
7 | 5335120433 |
oct | 1517321245 |
9 | 514001082 |
10 | 222143141 |
11 | 104437480 |
12 | 6248b085 |
13 | 3703b05c |
14 | 21707d53 |
15 | 147802cb |
hex | d3da2a5 |
222143141 has 4 divisors (see below), whose sum is σ = 242337984. Its totient is φ = 201948300.
The previous prime is 222143113. The next prime is 222143143. The reversal of 222143141 is 141341222.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 222143141 - 222 = 217948837 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222143143) 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, 10097405 + ... + 10097426.
It is an arithmetic number, because the mean of its divisors is an integer number (60584496).
Almost surely, 2222143141 is an apocalyptic number.
It is an amenable number.
222143141 is a deficient number, since it is larger than the sum of its proper divisors (20194843).
222143141 is a wasteful number, since it uses less digits than its factorization.
222143141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20194842.
The product of its digits is 384, while the sum is 20.
The square root of 222143141 is about 14904.4671491469. The cubic root of 222143141 is about 605.6350056940.
Adding to 222143141 its reverse (141341222), we get a palindrome (363484363).
The spelling of 222143141 in words is "two hundred twenty-two million, one hundred forty-three thousand, one hundred forty-one".
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