Base | Representation |
---|---|
bin | 11011001100000… |
… | …11010101101000 |
3 | 120220011121111121 |
4 | 31212003111220 |
5 | 431342011302 |
6 | 34344305024 |
7 | 5436432133 |
oct | 1546032550 |
9 | 526147447 |
10 | 228078952 |
11 | 107821102 |
12 | 64472174 |
13 | 38338a7a |
14 | 2241121a |
15 | 15053e37 |
hex | d983568 |
228078952 has 16 divisors (see below), whose sum is σ = 439206660. Its totient is φ = 110957184.
The previous prime is 228078947. The next prime is 228078959. The reversal of 228078952 is 259870822.
It can be written as a sum of positive squares in 2 ways, for example, as 179720836 + 48358116 = 13406^2 + 6954^2 .
It is a super-3 number, since 3×2280789523 (a number of 26 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 228078899 and 228078908.
It is not an unprimeable number, because it can be changed into a prime (228078959) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384973 + ... + 385564.
Almost surely, 2228078952 is an apocalyptic number.
It is an amenable number.
228078952 is a deficient number, since it is larger than the sum of its proper divisors (211127708).
228078952 is a wasteful number, since it uses less digits than its factorization.
228078952 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 770580 (or 770576 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 43.
The square root of 228078952 is about 15102.2830062213. The cubic root of 228078952 is about 610.9819819092.
The spelling of 228078952 in words is "two hundred twenty-eight million, seventy-eight thousand, nine hundred fifty-two".
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