Base | Representation |
---|---|
bin | 10001010101100… |
… | …10001001110101 |
3 | 101010122202212000 |
4 | 20222302021311 |
5 | 244212330310 |
6 | 22233045513 |
7 | 3414106341 |
oct | 1052621165 |
9 | 333582760 |
10 | 145433205 |
11 | 75103135 |
12 | 40856899 |
13 | 24190368 |
14 | 1545a621 |
15 | cb7b4c0 |
hex | 8ab2275 |
145433205 has 32 divisors (see below), whose sum is σ = 262206720. Its totient is φ = 76466880.
The previous prime is 145433203. The next prime is 145433207. The reversal of 145433205 is 502334541.
145433205 is a `hidden beast` number, since 1 + 454 + 3 + 3 + 205 = 666.
It is an interprime number because it is at equal distance from previous prime (145433203) and next prime (145433207).
It is not a de Polignac number, because 145433205 - 21 = 145433203 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145433203) 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, 1999 + ... + 17171.
It is an arithmetic number, because the mean of its divisors is an integer number (8193960).
Almost surely, 2145433205 is an apocalyptic number.
145433205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
145433205 is a deficient number, since it is larger than the sum of its proper divisors (116773515).
145433205 is a wasteful number, since it uses less digits than its factorization.
145433205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15258 (or 15252 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
The square root of 145433205 is about 12059.5690221500. The cubic root of 145433205 is about 525.8814580078.
Adding to 145433205 its reverse (502334541), we get a palindrome (647767746).
The spelling of 145433205 in words is "one hundred forty-five million, four hundred thirty-three thousand, two hundred five".
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