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545828545 = 5891226581
BaseRepresentation
bin100000100010001…
…010111011000001
31102001001222000001
4200202022323001
52104213003140
6130055000001
716345315603
oct4042127301
91361058001
10545828545
11260119079
12132969001
138910c892
14526c5173
1532dbbe9a
hex2088aec1

545828545 has 8 divisors (see below), whose sum is σ = 662354280. Its totient is φ = 431756160.

The previous prime is 545828539. The next prime is 545828557.

545828545 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 82029249 + 463799296 = 9057^2 + 21536^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 545828545 - 25 = 545828513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545828495 and 545828504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612846 + ... + 613735.

It is an arithmetic number, because the mean of its divisors is an integer number (82794285).

Almost surely, 2545828545 is an apocalyptic number.

It is an amenable number.

545828545 is a deficient number, since it is larger than the sum of its proper divisors (116525735).

545828545 is a wasteful number, since it uses less digits than its factorization.

545828545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226675.

The product of its digits is 1280000, while the sum is 46.

The square root of 545828545 is about 23362.9738047193. The cubic root of 545828545 is about 817.2446408830.

The spelling of 545828545 in words is "five hundred forty-five million, eight hundred twenty-eight thousand, five hundred forty-five".

Divisors: 1 5 89 445 1226581 6132905 109165709 545828545