Base | Representation |
---|---|
bin | 1010101110110… |
… | …0000010001011 |
3 | 10010200120222110 |
4 | 2223230002023 |
5 | 43010210422 |
6 | 4244353403 |
7 | 1054360464 |
oct | 253540213 |
9 | 103616873 |
10 | 45006987 |
11 | 23450463 |
12 | 130a5863 |
13 | 942a86c |
14 | 5d97d6b |
15 | 3e4060c |
hex | 2aec08b |
45006987 has 8 divisors (see below), whose sum is σ = 60203520. Its totient is φ = 29907560.
The previous prime is 45006977. The next prime is 45006989. The reversal of 45006987 is 78960054.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 45006987 - 27 = 45006859 is a prime.
It is not an unprimeable number, because it can be changed into a prime (45006989) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23187 + ... + 25052.
It is an arithmetic number, because the mean of its divisors is an integer number (7525440).
Almost surely, 245006987 is an apocalyptic number.
45006987 is a deficient number, since it is larger than the sum of its proper divisors (15196533).
45006987 is a wasteful number, since it uses less digits than its factorization.
45006987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48553.
The product of its (nonzero) digits is 60480, while the sum is 39.
The square root of 45006987 is about 6708.7246925179. The cubic root of 45006987 is about 355.7077383952.
The spelling of 45006987 in words is "forty-five million, six thousand, nine hundred eighty-seven".
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