Base | Representation |
---|---|
bin | 1000010110110100… |
… | …1000110010110111 |
3 | 12210022222110222010 |
4 | 2011231020302313 |
5 | 14043224432411 |
6 | 1010331335303 |
7 | 106405622124 |
oct | 20555106267 |
9 | 5708873863 |
10 | 2243202231 |
11 | a51258046 |
12 | 5272b1533 |
13 | 2999798ca |
14 | 173cc574b |
15 | d1e027a6 |
hex | 85b48cb7 |
2243202231 has 16 divisors (see below), whose sum is σ = 3010197344. Its totient is φ = 1485869184.
The previous prime is 2243202131. The next prime is 2243202257. The reversal of 2243202231 is 1322023422.
2243202231 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-2243202231 is a prime.
It is a super-2 number, since 2×22432022312 = 10063912498326754722, 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 = 2243202198 and 2243202207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2243202281) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306345 + ... + 313581.
It is an arithmetic number, because the mean of its divisors is an integer number (188137334).
Almost surely, 22243202231 is an apocalyptic number.
2243202231 is a deficient number, since it is larger than the sum of its proper divisors (766995113).
2243202231 is a wasteful number, since it uses less digits than its factorization.
2243202231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7890.
The product of its (nonzero) digits is 1152, while the sum is 21.
The square root of 2243202231 is about 47362.4559223865. The cubic root of 2243202231 is about 1309.0497218413.
Adding to 2243202231 its reverse (1322023422), we get a palindrome (3565225653).
The spelling of 2243202231 in words is "two billion, two hundred forty-three million, two hundred two thousand, two hundred thirty-one".
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