Base | Representation |
---|---|
bin | 1101001110011110110… |
… | …0111110111100100010 |
3 | 210201111202002220120200 |
4 | 3103213230332330202 |
5 | 12210324230102300 |
6 | 252215213450030 |
7 | 22262601655032 |
oct | 3234754767442 |
9 | 721452086520 |
10 | 227225628450 |
11 | 88402a41887 |
12 | 380554a0916 |
13 | 1857298b2b2 |
14 | add7c978c2 |
15 | 5d9d727200 |
hex | 34e7b3ef22 |
227225628450 has 162 divisors, whose sum is σ = 638830003539. Its totient is φ = 57899677440.
The previous prime is 227225628439. The next prime is 227225628451. The reversal of 227225628450 is 54826522722.
227225628450 is a `hidden beast` number, since 2 + 2 + 7 + 2 + 2 + 562 + 84 + 5 + 0 = 666.
It can be written as a sum of positive squares in 5 ways, for example, as 193004698329 + 34220930121 = 439323^2 + 184989^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=337065.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 227225628396 and 227225628405.
It is not an unprimeable number, because it can be changed into a prime (227225628451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 232574362 + ... + 232575338.
Almost surely, 2227225628450 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 227225628450
227225628450 is an abundant number, since it is smaller than the sum of its proper divisors (411604375089).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227225628450 is an equidigital number, since it uses as much as digits as its factorization.
227225628450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2018 (or 1010 counting only the distinct ones).
The product of its (nonzero) digits is 1075200, while the sum is 45.
The spelling of 227225628450 in words is "two hundred twenty-seven billion, two hundred twenty-five million, six hundred twenty-eight thousand, four hundred fifty".
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