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814380738 = 23149390911
BaseRepresentation
bin110000100010100…
…111011011000010
32002202101211100120
4300202213123002
53131440140423
6212451001110
726116056603
oct6042473302
92082354316
10814380738
11388773336
121a8899196
13cc9496c2
147a22ddaa
154b767ee3
hex308a76c2

814380738 has 16 divisors (see below), whose sum is σ = 1629870336. Its totient is φ = 271275440.

The previous prime is 814380737. The next prime is 814380739. The reversal of 814380738 is 837083418.

It is an interprime number because it is at equal distance from previous prime (814380737) and next prime (814380739).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 814380738.

It is not an unprimeable number, because it can be changed into a prime (814380731) 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 7 ways as a sum of consecutive naturals, for example, 36498 + ... + 54413.

It is an arithmetic number, because the mean of its divisors is an integer number (101866896).

Almost surely, 2814380738 is an apocalyptic number.

814380738 is an abundant number, since it is smaller than the sum of its proper divisors (815489598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

814380738 is a wasteful number, since it uses less digits than its factorization.

814380738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92409.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 814380738 is about 28537.3568853179. The cubic root of 814380738 is about 933.8472216241.

The spelling of 814380738 in words is "eight hundred fourteen million, three hundred eighty thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 1493 2986 4479 8958 90911 181822 272733 545466 135730123 271460246 407190369 814380738