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811053745 = 5433772343
BaseRepresentation
bin110000010101111…
…011001010110001
32002112010210120121
4300111323022301
53130112204440
6212251410241
726045562115
oct6025731261
92075123517
10811053745
11386900757
121a7753981
13cc053278
1479a05745
154b30c34a
hex3057b2b1

811053745 has 8 divisors (see below), whose sum is σ = 995898816. Its totient is φ = 633753456.

The previous prime is 811053709. The next prime is 811053773. The reversal of 811053745 is 547350118.

It is a happy number.

811053745 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 cyclic number.

It is not a de Polignac number, because 811053745 - 211 = 811051697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 811053745.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1885957 + ... + 1886386.

It is an arithmetic number, because the mean of its divisors is an integer number (124487352).

Almost surely, 2811053745 is an apocalyptic number.

It is an amenable number.

811053745 is a deficient number, since it is larger than the sum of its proper divisors (184845071).

811053745 is a wasteful number, since it uses less digits than its factorization.

811053745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772391.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 811053745 is about 28479.0053372656. The cubic root of 811053745 is about 932.5738026386.

The spelling of 811053745 in words is "eight hundred eleven million, fifty-three thousand, seven hundred forty-five".

Divisors: 1 5 43 215 3772343 18861715 162210749 811053745