Base | Representation |
---|---|
bin | 1111111100011100… |
… | …0111100011101101 |
3 | 102001021200101010021 |
4 | 3333013013203231 |
5 | 32231143243140 |
6 | 1544412242141 |
7 | 211030606336 |
oct | 37707074355 |
9 | 12037611107 |
10 | 4280056045 |
11 | 18a6a86501 |
12 | 9b5470351 |
13 | 532958755 |
14 | 2c861528d |
15 | 1a0b44b4a |
hex | ff1c78ed |
4280056045 has 8 divisors (see below), whose sum is σ = 5173557624. Its totient is φ = 3399051264.
The previous prime is 4280056043. The next prime is 4280056049. The reversal of 4280056045 is 5406500824.
It can be written as a sum of positive squares in 4 ways, for example, as 2111209 + 4277944836 = 1453^2 + 65406^2 .
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 4280056045 - 21 = 4280056043 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 4280056045.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4280056043) 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, 3123444 + ... + 3124813.
It is an arithmetic number, because the mean of its divisors is an integer number (646694703).
Almost surely, 24280056045 is an apocalyptic number.
It is an amenable number.
4280056045 is a deficient number, since it is larger than the sum of its proper divisors (893501579).
4280056045 is a wasteful number, since it uses less digits than its factorization.
4280056045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6248399.
The product of its (nonzero) digits is 38400, while the sum is 34.
The square root of 4280056045 is about 65422.1372701932. The cubic root of 4280056045 is about 1623.6153626767.
Adding to 4280056045 its reverse (5406500824), we get a palindrome (9686556869).
The spelling of 4280056045 in words is "four billion, two hundred eighty million, fifty-six thousand, forty-five".
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