Base | Representation |
---|---|
bin | 11010111011101… |
… | …00111101111111 |
3 | 120202010002000102 |
4 | 31131310331333 |
5 | 430314013233 |
6 | 34230151315 |
7 | 5412212321 |
oct | 1535647577 |
9 | 522102012 |
10 | 225922943 |
11 | 106589284 |
12 | 637b253b |
13 | 37a6261c |
14 | 2200d611 |
15 | 14c7a1e8 |
hex | d774f7f |
225922943 has 4 divisors (see below), whose sum is σ = 226018608. Its totient is φ = 225827280.
The previous prime is 225922913. The next prime is 225922969. The reversal of 225922943 is 349229522.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349229522 = 2 ⋅174614761.
It is a cyclic number.
It is not a de Polignac number, because 225922943 - 214 = 225906559 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 225922897 and 225922906.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (225922913) 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, 44198 + ... + 49043.
It is an arithmetic number, because the mean of its divisors is an integer number (56504652).
Almost surely, 2225922943 is an apocalyptic number.
225922943 is a deficient number, since it is larger than the sum of its proper divisors (95665).
225922943 is an equidigital number, since it uses as much as digits as its factorization.
225922943 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95664.
The product of its digits is 77760, while the sum is 38.
The square root of 225922943 is about 15030.7332821789. The cubic root of 225922943 is about 609.0506984755.
The spelling of 225922943 in words is "two hundred twenty-five million, nine hundred twenty-two thousand, nine hundred forty-three".
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