Base | Representation |
---|---|
bin | 1010101111110… |
… | …0101000101011 |
3 | 10010211001020222 |
4 | 2223330220223 |
5 | 43014344422 |
6 | 4250040255 |
7 | 1055062646 |
oct | 253745053 |
9 | 103731228 |
10 | 45074987 |
11 | 23497561 |
12 | 1311908b |
13 | 94527b9 |
14 | 5db4a5d |
15 | 3e55842 |
hex | 2afca2b |
45074987 has 8 divisors (see below), whose sum is σ = 46207632. Its totient is φ = 43956000.
The previous prime is 45074971. The next prime is 45074993. The reversal of 45074987 is 78947054.
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 45074987 - 24 = 45074971 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (45074387) 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, 3437 + ... + 10097.
It is an arithmetic number, because the mean of its divisors is an integer number (5775954).
Almost surely, 245074987 is an apocalyptic number.
45074987 is a deficient number, since it is larger than the sum of its proper divisors (1132645).
45074987 is a wasteful number, since it uses less digits than its factorization.
45074987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6829.
The product of its (nonzero) digits is 282240, while the sum is 44.
The square root of 45074987 is about 6713.7908069883. The cubic root of 45074987 is about 355.8867917399.
The spelling of 45074987 in words is "forty-five million, seventy-four thousand, nine hundred eighty-seven".
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