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8985427 = 11816857
BaseRepresentation
bin100010010001…
…101101010011
3121220111200121
4202101231103
54300013202
6520331111
7136242403
oct42215523
917814617
108985427
115087980
123013a97
131b27b29
14129c803
15bc7537
hex891b53

8985427 has 4 divisors (see below), whose sum is σ = 9802296. Its totient is φ = 8168560.

The previous prime is 8985391. The next prime is 8985451. The reversal of 8985427 is 7245898.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8985427 is a prime.

It is a d-powerful number, because it can be written as 8 + 97 + 84 + 54 + 45 + 222 + 74 .

It is a Duffinian number.

8985427 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8985467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408418 + ... + 408439.

It is an arithmetic number, because the mean of its divisors is an integer number (2450574).

Almost surely, 28985427 is an apocalyptic number.

8985427 is a deficient number, since it is larger than the sum of its proper divisors (816869).

8985427 is a wasteful number, since it uses less digits than its factorization.

8985427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816868.

The product of its digits is 161280, while the sum is 43.

The square root of 8985427 is about 2997.5701826646. The cubic root of 8985427 is about 207.8960510553.

The spelling of 8985427 in words is "eight million, nine hundred eighty-five thousand, four hundred twenty-seven".

Divisors: 1 11 816857 8985427