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806612745 = 3553774183
BaseRepresentation
bin110000000100111…
…110111100001001
32002012210011200010
4300010332330021
53122443101440
6212012302133
725663044441
oct6004767411
92065704603
10806612745
11384348104
121a6171949
13cb159a63
14791ab121
154ac31580
hex3013ef09

806612745 has 8 divisors (see below), whose sum is σ = 1290580416. Its totient is φ = 430193456.

The previous prime is 806612717. The next prime is 806612749. The reversal of 806612745 is 547216608.

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 806612745 - 25 = 806612713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (806612749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26887077 + ... + 26887106.

It is an arithmetic number, because the mean of its divisors is an integer number (161322552).

Almost surely, 2806612745 is an apocalyptic number.

It is an amenable number.

806612745 is a deficient number, since it is larger than the sum of its proper divisors (483967671).

806612745 is a wasteful number, since it uses less digits than its factorization.

806612745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53774191.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 806612745 is about 28400.9285939738. The cubic root of 806612745 is about 930.8685549786.

The spelling of 806612745 in words is "eight hundred six million, six hundred twelve thousand, seven hundred forty-five".

Divisors: 1 3 5 15 53774183 161322549 268870915 806612745