Base | Representation |
---|---|
bin | 11011001101100… |
… | …10010000010101 |
3 | 120220112101010010 |
4 | 31212302100111 |
5 | 431414134000 |
6 | 34352350433 |
7 | 5441162325 |
oct | 1546622025 |
9 | 526471103 |
10 | 228271125 |
11 | 107942525 |
12 | 64545419 |
13 | 383a5394 |
14 | 22461285 |
15 | 15090d50 |
hex | d9b2415 |
228271125 has 32 divisors (see below), whose sum is σ = 383460480. Its totient is φ = 120585600.
The previous prime is 228271123. The next prime is 228271139. The reversal of 228271125 is 521172822.
It is not a de Polignac number, because 228271125 - 21 = 228271123 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 228271092 and 228271101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228271123) 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 31 ways as a sum of consecutive naturals, for example, 37281 + ... + 42969.
It is an arithmetic number, because the mean of its divisors is an integer number (11983140).
Almost surely, 2228271125 is an apocalyptic number.
228271125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
228271125 is a deficient number, since it is larger than the sum of its proper divisors (155189355).
228271125 is a wasteful number, since it uses less digits than its factorization.
228271125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5814 (or 5804 counting only the distinct ones).
The product of its digits is 4480, while the sum is 30.
The square root of 228271125 is about 15108.6440490204. The cubic root of 228271125 is about 611.1535325617.
The spelling of 228271125 in words is "two hundred twenty-eight million, two hundred seventy-one thousand, one hundred twenty-five".
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