Base | Representation |
---|---|
bin | 11110001000001… |
… | …110101111101011 |
3 | 1022020010202000021 |
4 | 132020032233223 |
5 | 2013400132102 |
6 | 122054021311 |
7 | 15345313132 |
oct | 3610165753 |
9 | 1266122007 |
10 | 505474027 |
11 | 23a366133 |
12 | 121347837 |
13 | 80950876 |
14 | 4b1bc919 |
15 | 2e59a137 |
hex | 1e20ebeb |
505474027 has 4 divisors (see below), whose sum is σ = 505537216. Its totient is φ = 505410840.
The previous prime is 505473989. The next prime is 505474033. The reversal of 505474027 is 720474505.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-505474027 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 505473983 and 505474001.
It is not an unprimeable number, because it can be changed into a prime (505414027) 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 3 ways as a sum of consecutive naturals, for example, 17499 + ... + 36292.
It is an arithmetic number, because the mean of its divisors is an integer number (126384304).
Almost surely, 2505474027 is an apocalyptic number.
505474027 is a deficient number, since it is larger than the sum of its proper divisors (63189).
505474027 is an equidigital number, since it uses as much as digits as its factorization.
505474027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63188.
The product of its (nonzero) digits is 39200, while the sum is 34.
The square root of 505474027 is about 22482.7495427050. The cubic root of 505474027 is about 796.5865115655.
The spelling of 505474027 in words is "five hundred five million, four hundred seventy-four thousand, twenty-seven".
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