Base | Representation |
---|---|
bin | 10001000100101… |
… | …10010110111010 |
3 | 100222111102221000 |
4 | 20202112112322 |
5 | 243131102302 |
6 | 22113425430 |
7 | 3356240304 |
oct | 1042262672 |
9 | 328442830 |
10 | 143222202 |
11 | 73932a62 |
12 | 3bb6b276 |
13 | 23897b86 |
14 | 15042974 |
15 | c89131c |
hex | 88965ba |
143222202 has 32 divisors (see below), whose sum is σ = 320132160. Its totient is φ = 47461680.
The previous prime is 143222197. The next prime is 143222237. The reversal of 143222202 is 202222341.
143222202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1677 + ... + 17007.
It is an arithmetic number, because the mean of its divisors is an integer number (10004130).
Almost surely, 2143222202 is an apocalyptic number.
143222202 is an abundant number, since it is smaller than the sum of its proper divisors (176909958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143222202 is a wasteful number, since it uses less digits than its factorization.
143222202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15515 (or 15509 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 143222202 is about 11967.5478691334. The cubic root of 143222202 is about 523.2028674828.
Adding to 143222202 its reverse (202222341), we get a palindrome (345444543).
The spelling of 143222202 in words is "one hundred forty-three million, two hundred twenty-two thousand, two hundred two".
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