Base | Representation |
---|---|
bin | 11010100000000… |
… | …01001100110111 |
3 | 120111022011102121 |
4 | 31100001030313 |
5 | 423402144111 |
6 | 34020420411 |
7 | 5336354536 |
oct | 1520011467 |
9 | 514264377 |
10 | 222303031 |
11 | 104536615 |
12 | 62547707 |
13 | 37095a72 |
14 | 2174a31d |
15 | 147b2871 |
hex | d401337 |
222303031 has 8 divisors (see below), whose sum is σ = 225640800. Its totient is φ = 218973312.
The previous prime is 222303019. The next prime is 222303047. The reversal of 222303031 is 130303222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 222303031 - 211 = 222300983 is a prime.
It is a super-2 number, since 2×2223030312 = 98837275183573922, 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 = 222302996 and 222303014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222303331) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75126 + ... + 78028.
It is an arithmetic number, because the mean of its divisors is an integer number (28205100).
Almost surely, 2222303031 is an apocalyptic number.
222303031 is a deficient number, since it is larger than the sum of its proper divisors (3337769).
222303031 is a wasteful number, since it uses less digits than its factorization.
222303031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4025.
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 222303031 is about 14909.8300124448. The cubic root of 222303031 is about 605.7802750268.
Adding to 222303031 its reverse (130303222), we get a palindrome (352606253).
The spelling of 222303031 in words is "two hundred twenty-two million, three hundred three thousand, thirty-one".
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