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906696985 = 5612972777
BaseRepresentation
bin110110000010110…
…001100100011001
32100012002222102211
4312002301210121
53324103300420
6225545355121
731316540305
oct6602614431
92305088384
10906696985
11425896957
12213798aa1
13115acc9bc
14885c0d05
1554900e5a
hex360b1919

906696985 has 8 divisors (see below), whose sum is σ = 1105873416. Its totient is φ = 713466240.

The previous prime is 906696953. The next prime is 906697003. The reversal of 906696985 is 589696609.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 67551961 + 839145024 = 8219^2 + 28968^2 .

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

It is not a de Polignac number, because 906696985 - 25 = 906696953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 1486084 + ... + 1486693.

It is an arithmetic number, because the mean of its divisors is an integer number (138234177).

Almost surely, 2906696985 is an apocalyptic number.

It is an amenable number.

906696985 is a deficient number, since it is larger than the sum of its proper divisors (199176431).

906696985 is a wasteful number, since it uses less digits than its factorization.

906696985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972843.

The product of its (nonzero) digits is 6298560, while the sum is 58.

The square root of 906696985 is about 30111.4095485416. The cubic root of 906696985 is about 967.8782350452.

The spelling of 906696985 in words is "nine hundred six million, six hundred ninety-six thousand, nine hundred eighty-five".

Divisors: 1 5 61 305 2972777 14863885 181339397 906696985