Base | Representation |
---|---|
bin | 1010111010100… |
… | …1000011111001 |
3 | 10012010221001112 |
4 | 2232221003321 |
5 | 43204444431 |
6 | 4313130105 |
7 | 1064064002 |
oct | 256510371 |
9 | 105127045 |
10 | 45781241 |
11 | 2392a140 |
12 | 133b9935 |
13 | 963c0bc |
14 | 611a1a9 |
15 | 4044c2b |
hex | 2ba90f9 |
45781241 has 16 divisors (see below), whose sum is σ = 53576640. Its totient is φ = 38675520.
The previous prime is 45781217. The next prime is 45781249. The reversal of 45781241 is 14218754.
It is a happy number.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-45781241 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 45781198 and 45781207.
It is not an unprimeable number, because it can be changed into a prime (45781249) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9011 + ... + 13143.
It is an arithmetic number, because the mean of its divisors is an integer number (3348540).
Almost surely, 245781241 is an apocalyptic number.
It is an amenable number.
45781241 is a deficient number, since it is larger than the sum of its proper divisors (7795399).
45781241 is a wasteful number, since it uses less digits than its factorization.
45781241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4216.
The product of its digits is 8960, while the sum is 32.
The square root of 45781241 is about 6766.1836362901. The cubic root of 45781241 is about 357.7358959508.
Adding to 45781241 its reverse (14218754), we get a palindrome (59999995).
The spelling of 45781241 in words is "forty-five million, seven hundred eighty-one thousand, two hundred forty-one".
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