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813911006 = 21723938559
BaseRepresentation
bin110000100000110…
…100101111011110
32002201111222000002
4300200310233132
53131330123011
6212432534302
726112062246
oct6040645736
92081458002
10813911006
11388482427
121a86b1392
13cc81395c
147a14ab26
154b6c3c3b
hex30834bde

813911006 has 8 divisors (see below), whose sum is σ = 1292682240. Its totient is φ = 383016928.

The previous prime is 813911003. The next prime is 813911011. The reversal of 813911006 is 600119318.

It is a happy number.

813911006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×8139110062 = 1324902251375864072, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 813911006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813911003) 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, 11969246 + ... + 11969313.

It is an arithmetic number, because the mean of its divisors is an integer number (161585280).

Almost surely, 2813911006 is an apocalyptic number.

813911006 is a deficient number, since it is larger than the sum of its proper divisors (478771234).

813911006 is a wasteful number, since it uses less digits than its factorization.

813911006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23938578.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 813911006 is about 28529.1255737010. The cubic root of 813911006 is about 933.6676404739.

The spelling of 813911006 in words is "eight hundred thirteen million, nine hundred eleven thousand, six".

Divisors: 1 2 17 34 23938559 47877118 406955503 813911006