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545444141 = 1149585831
BaseRepresentation
bin100000100000101…
…101000100101101
31102000100102200212
4200200231010231
52104113203031
6130042432205
716342125104
oct4040550455
91360312625
10545444141
1125a986290
12132802665
1389006918
145262503b
1532d4312b
hex2082d12d

545444141 has 4 divisors (see below), whose sum is σ = 595029984. Its totient is φ = 495858300.

The previous prime is 545444117. The next prime is 545444143. The reversal of 545444141 is 141444545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 545444141 - 218 = 545181997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545444098 and 545444107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545444143) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24792905 + ... + 24792926.

It is an arithmetic number, because the mean of its divisors is an integer number (148757496).

Almost surely, 2545444141 is an apocalyptic number.

It is an amenable number.

545444141 is a deficient number, since it is larger than the sum of its proper divisors (49585843).

545444141 is a wasteful number, since it uses less digits than its factorization.

545444141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49585842.

The product of its digits is 25600, while the sum is 32.

The square root of 545444141 is about 23354.7455777193. The cubic root of 545444141 is about 817.0527455289.

Adding to 545444141 its reverse (141444545), we get a palindrome (686888686).

It can be divided in two parts, 54544 and 4141, that added together give a palindrome (58685).

The spelling of 545444141 in words is "five hundred forty-five million, four hundred forty-four thousand, one hundred forty-one".

Divisors: 1 11 49585831 545444141