Base | Representation |
---|---|
bin | 10001010010110… |
… | …00111010100101 |
3 | 101002222012110020 |
4 | 20221120322211 |
5 | 244114131220 |
6 | 22221145353 |
7 | 3411024600 |
oct | 1051307245 |
9 | 332865406 |
10 | 145067685 |
11 | 74983554 |
12 | 406bb259 |
13 | 24092b89 |
14 | 153a3337 |
15 | cb08040 |
hex | 8a58ea5 |
145067685 has 24 divisors (see below), whose sum is σ = 270004896. Its totient is φ = 66316320.
The previous prime is 145067683. The next prime is 145067707. The reversal of 145067685 is 586760541.
It is not a de Polignac number, because 145067685 - 21 = 145067683 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145067683) 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 23 ways as a sum of consecutive naturals, for example, 97951 + ... + 99420.
It is an arithmetic number, because the mean of its divisors is an integer number (11250204).
Almost surely, 2145067685 is an apocalyptic number.
145067685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
145067685 is a deficient number, since it is larger than the sum of its proper divisors (124937211).
145067685 is a wasteful number, since it uses less digits than its factorization.
145067685 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197393 (or 197386 counting only the distinct ones).
The product of its (nonzero) digits is 201600, while the sum is 42.
The square root of 145067685 is about 12044.4047175442. The cubic root of 145067685 is about 525.4405191529.
The spelling of 145067685 in words is "one hundred forty-five million, sixty-seven thousand, six hundred eighty-five".
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