Base | Representation |
---|---|
bin | 10001010010010… |
… | …01111111111101 |
3 | 101002212002122102 |
4 | 20221021333331 |
5 | 244110202324 |
6 | 22215554445 |
7 | 3410351510 |
oct | 1051117775 |
9 | 332762572 |
10 | 145006589 |
11 | 74941662 |
12 | 4068ba25 |
13 | 24071120 |
14 | 15388d77 |
15 | cae4dae |
hex | 8a49ffd |
145006589 has 16 divisors (see below), whose sum is σ = 183297408. Its totient is φ = 111627072.
The previous prime is 145006571. The next prime is 145006619. The reversal of 145006589 is 985600541.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-145006589 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145006489) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18167 + ... + 24900.
It is an arithmetic number, because the mean of its divisors is an integer number (11456088).
Almost surely, 2145006589 is an apocalyptic number.
It is an amenable number.
145006589 is a deficient number, since it is larger than the sum of its proper divisors (38290819).
145006589 is a wasteful number, since it uses less digits than its factorization.
145006589 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43124.
The product of its (nonzero) digits is 43200, while the sum is 38.
The square root of 145006589 is about 12041.8681690176. The cubic root of 145006589 is about 525.3667448047.
The spelling of 145006589 in words is "one hundred forty-five million, six thousand, five hundred eighty-nine".
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