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504445141 = 1204341887
BaseRepresentation
bin11110000100010…
…011100011010101
31022011012110122101
4132010103203111
52013114221031
6122020002101
715333466354
oct3604234325
91264173571
10504445141
11239823112
12120b30331
1380680465
144add199b
152e445361
hex1e1138d5

504445141 has 4 divisors (see below), whose sum is σ = 504499072. Its totient is φ = 504391212.

The previous prime is 504445061. The next prime is 504445153. The reversal of 504445141 is 141544405.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 141544405 = 528308881.

It is a cyclic number.

It is not a de Polignac number, because 504445141 - 213 = 504436949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504445241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8901 + ... + 32986.

It is an arithmetic number, because the mean of its divisors is an integer number (126124768).

Almost surely, 2504445141 is an apocalyptic number.

It is an amenable number.

504445141 is a deficient number, since it is larger than the sum of its proper divisors (53931).

504445141 is a wasteful number, since it uses less digits than its factorization.

504445141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53930.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 504445141 is about 22459.8562105816. The cubic root of 504445141 is about 796.0456638408.

Adding to 504445141 its reverse (141544405), we get a palindrome (645989546).

The spelling of 504445141 in words is "five hundred four million, four hundred forty-five thousand, one hundred forty-one".

Divisors: 1 12043 41887 504445141