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806966641 = 13471320731
BaseRepresentation
bin110000000110010…
…101010101110001
32002020110011010101
4300012111111301
53123040413031
6212024032401
725666050265
oct6006252561
92066404111
10806966641
11384569a88
121a6302701
13cb251b70
14792600a5
154aca1361
hex30195571

806966641 has 8 divisors (see below), whose sum is σ = 887531904. Its totient is φ = 729042960.

The previous prime is 806966627. The next prime is 806966687. The reversal of 806966641 is 146669608.

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 806966641 - 25 = 806966609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 806966591 and 806966600.

It is not an unprimeable number, because it can be changed into a prime (806967641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659755 + ... + 660976.

It is an arithmetic number, because the mean of its divisors is an integer number (110941488).

Almost surely, 2806966641 is an apocalyptic number.

It is an amenable number.

806966641 is a deficient number, since it is larger than the sum of its proper divisors (80565263).

806966641 is a wasteful number, since it uses less digits than its factorization.

806966641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320791.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 806966641 is about 28407.1582704078. The cubic root of 806966641 is about 931.0046725449.

The spelling of 806966641 in words is "eight hundred six million, nine hundred sixty-six thousand, six hundred forty-one".

Divisors: 1 13 47 611 1320731 17169503 62074357 806966641