Base | Representation |
---|---|
bin | 11011010001111… |
… | …11001100101001 |
3 | 120221121201000121 |
4 | 31220333030221 |
5 | 432041122200 |
6 | 34413003241 |
7 | 5446115401 |
oct | 1550771451 |
9 | 527551017 |
10 | 228848425 |
11 | 1081a7233 |
12 | 64783521 |
13 | 38548090 |
14 | 22571801 |
15 | 15156e1a |
hex | da3f329 |
228848425 has 24 divisors (see below), whose sum is σ = 316151640. Its totient is φ = 163161600.
The previous prime is 228848423. The next prime is 228848437. The reversal of 228848425 is 524848822.
It can be written as a sum of positive squares in 12 ways, for example, as 39400729 + 189447696 = 6277^2 + 13764^2 .
It is not a de Polignac number, because 228848425 - 21 = 228848423 is a prime.
It is not an unprimeable number, because it can be changed into a prime (228848423) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2716 + ... + 21565.
It is an arithmetic number, because the mean of its divisors is an integer number (13172985).
Almost surely, 2228848425 is an apocalyptic number.
228848425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
228848425 is a deficient number, since it is larger than the sum of its proper divisors (87303215).
228848425 is a wasteful number, since it uses less digits than its factorization.
228848425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24333 (or 24328 counting only the distinct ones).
The product of its digits is 327680, while the sum is 43.
The square root of 228848425 is about 15127.7369424511. The cubic root of 228848425 is about 611.6683033546.
The spelling of 228848425 in words is "two hundred twenty-eight million, eight hundred forty-eight thousand, four hundred twenty-five".
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