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813750026 = 22711150083
BaseRepresentation
bin110000100000001…
…101011100001010
32002201012210011212
4300200031130022
53131310000101
6212425253122
726110522025
oct6040153412
92081183155
10813750026
11388382491
121a86341a2
13cc7885bb
147a1081bc
154b6911bb
hex3080d70a

813750026 has 8 divisors (see below), whose sum is σ = 1221083424. Its totient is φ = 406722220.

The previous prime is 813750013. The next prime is 813750059. The reversal of 813750026 is 620057318.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 813749974 and 813750001.

It is an unprimeable number.

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, 69620 + ... + 80463.

It is an arithmetic number, because the mean of its divisors is an integer number (152635428).

Almost surely, 2813750026 is an apocalyptic number.

813750026 is a deficient number, since it is larger than the sum of its proper divisors (407333398).

813750026 is a wasteful number, since it uses less digits than its factorization.

813750026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152796.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 813750026 is about 28526.3041069116. The cubic root of 813750026 is about 933.6060810299.

The spelling of 813750026 in words is "eight hundred thirteen million, seven hundred fifty thousand, twenty-six".

Divisors: 1 2 2711 5422 150083 300166 406875013 813750026