Base | Representation |
---|---|
bin | 11011001011111… |
… | …01011010100101 |
3 | 120220010101020010 |
4 | 31211331122211 |
5 | 431340222233 |
6 | 34344000433 |
7 | 5436301326 |
oct | 1545753245 |
9 | 526111203 |
10 | 228054693 |
11 | 107804959 |
12 | 64460119 |
13 | 3832aa09 |
14 | 2240644d |
15 | 1504bb63 |
hex | d97d6a5 |
228054693 has 16 divisors (see below), whose sum is σ = 314525696. Its totient is φ = 146830320.
The previous prime is 228054691. The next prime is 228054727. The reversal of 228054693 is 396450822.
It is a happy number.
It is not a de Polignac number, because 228054693 - 21 = 228054691 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228054691) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48630 + ... + 53112.
It is an arithmetic number, because the mean of its divisors is an integer number (19657856).
Almost surely, 2228054693 is an apocalyptic number.
It is an amenable number.
228054693 is a deficient number, since it is larger than the sum of its proper divisors (86471003).
228054693 is a wasteful number, since it uses less digits than its factorization.
228054693 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5064.
The product of its (nonzero) digits is 103680, while the sum is 39.
The square root of 228054693 is about 15101.4798281493. The cubic root of 228054693 is about 610.9603193265.
The spelling of 228054693 in words is "two hundred twenty-eight million, fifty-four thousand, six hundred ninety-three".
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