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814380485 = 5449362753
BaseRepresentation
bin110000100010100…
…111010111000101
32002202101211000012
4300202213113011
53131440133420
6212451000005
726116056062
oct6042472705
92082354005
10814380485
11388773126
121a8899005
13cc949559
147a22dc69
154b767dc5
hex308a75c5

814380485 has 8 divisors (see below), whose sum is σ = 979435800. Its totient is φ = 650051584.

The previous prime is 814380449. The next prime is 814380487. The reversal of 814380485 is 584083418.

It can be written as a sum of positive squares in 4 ways, for example, as 16826404 + 797554081 = 4102^2 + 28241^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 814380485 - 226 = 747271621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814380487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179132 + ... + 183621.

It is an arithmetic number, because the mean of its divisors is an integer number (122429475).

Almost surely, 2814380485 is an apocalyptic number.

It is an amenable number.

814380485 is a deficient number, since it is larger than the sum of its proper divisors (165055315).

814380485 is a wasteful number, since it uses less digits than its factorization.

814380485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363207.

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 814380485 is about 28537.3524525314. The cubic root of 814380485 is about 933.8471249194.

The spelling of 814380485 in words is "eight hundred fourteen million, three hundred eighty thousand, four hundred eighty-five".

Divisors: 1 5 449 2245 362753 1813765 162876097 814380485