Base | Representation |
---|---|
bin | 11011010011000… |
… | …11000011111101 |
3 | 120221220011112100 |
4 | 31221203003331 |
5 | 432110322300 |
6 | 34420055313 |
7 | 5450266566 |
oct | 1551430375 |
9 | 527804470 |
10 | 228995325 |
11 | 108297639 |
12 | 64834539 |
13 | 38599bc0 |
14 | 225ad16d |
15 | 15185700 |
hex | da630fd |
228995325 has 72 divisors (see below), whose sum is σ = 447749120. Its totient is φ = 111196800.
The previous prime is 228995323. The next prime is 228995329. The reversal of 228995325 is 523599822.
228995325 is a `hidden beast` number, since 2 + 28 + 99 + 532 + 5 = 666.
It is not a de Polignac number, because 228995325 - 21 = 228995323 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228995323) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 230580 + ... + 231570.
Almost surely, 2228995325 is an apocalyptic number.
228995325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
228995325 is a deficient number, since it is larger than the sum of its proper divisors (218753795).
228995325 is a wasteful number, since it uses less digits than its factorization.
228995325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1099 (or 1091 counting only the distinct ones).
The product of its digits is 388800, while the sum is 45.
The square root of 228995325 is about 15132.5914832853. The cubic root of 228995325 is about 611.7991539449.
It can be divided in two parts, 22899 and 5325, that added together give a square (28224 = 1682).
The spelling of 228995325 in words is "two hundred twenty-eight million, nine hundred ninety-five thousand, three hundred twenty-five".
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