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814030937 = 4457182641
BaseRepresentation
bin110000100001010…
…010000001011001
32002201202001111222
4300201102001121
53131342442222
6212435301425
726113102016
oct6041220131
92081661458
10814030937
11388554545
121a874a875
13cc856415
147a17c70d
154b6e9542
hex30852059

814030937 has 4 divisors (see below), whose sum is σ = 814218036. Its totient is φ = 813843840.

The previous prime is 814030871. The next prime is 814030963. The reversal of 814030937 is 739030418.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 644093641 + 169937296 = 25379^2 + 13036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-814030937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 814030897 and 814030906.

It is not an unprimeable number, because it can be changed into a prime (814030967) 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, 86864 + ... + 95777.

It is an arithmetic number, because the mean of its divisors is an integer number (203554509).

Almost surely, 2814030937 is an apocalyptic number.

It is an amenable number.

814030937 is a deficient number, since it is larger than the sum of its proper divisors (187099).

814030937 is a wasteful number, since it uses less digits than its factorization.

814030937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187098.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 814030937 is about 28531.2274008673. The cubic root of 814030937 is about 933.7134973278.

The spelling of 814030937 in words is "eight hundred fourteen million, thirty thousand, nine hundred thirty-seven".

Divisors: 1 4457 182641 814030937