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545413043 = 777916149
BaseRepresentation
bin100000100000100…
…101011110110011
31102000021212001002
4200200211132303
52104111204133
6130042032215
716341635330
oct4040453663
91360255032
10545413043
1125a96498a
121327a866b
1388cc5716
1452617987
1532d38ce8
hex208257b3

545413043 has 4 divisors (see below), whose sum is σ = 623329200. Its totient is φ = 467496888.

The previous prime is 545413009. The next prime is 545413049. The reversal of 545413043 is 340314545.

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-545413043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545412997 and 545413015.

It is not an unprimeable number, because it can be changed into a prime (545413049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38958068 + ... + 38958081.

It is an arithmetic number, because the mean of its divisors is an integer number (155832300).

Almost surely, 2545413043 is an apocalyptic number.

545413043 is a deficient number, since it is larger than the sum of its proper divisors (77916157).

545413043 is an equidigital number, since it uses as much as digits as its factorization.

545413043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77916156.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 545413043 is about 23354.0797934751. The cubic root of 545413043 is about 817.0372173948.

Adding to 545413043 its reverse (340314545), we get a palindrome (885727588).

The spelling of 545413043 in words is "five hundred forty-five million, four hundred thirteen thousand, forty-three".

Divisors: 1 7 77916149 545413043