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608889081 = 3202963027
BaseRepresentation
bin100100010010101…
…110100011111001
31120102201202210110
4210102232203321
52221333422311
6140230334533
721042320553
oct4422564371
91512652713
10608889081
1129277a419
1214baba449
13991bb8c8
145ac1c4d3
15386c68a6
hex244ae8f9

608889081 has 4 divisors (see below), whose sum is σ = 811852112. Its totient is φ = 405926052.

The previous prime is 608889041. The next prime is 608889121. The reversal of 608889081 is 180988806.

608889081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (608889041) and next prime (608889121).

It is a de Polignac number, because none of the positive numbers 2k-608889081 is a prime.

It is a super-2 number, since 2×6088890812 = 741491825922049122, which contains 22 as substring.

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 608889081.

It is not an unprimeable number, because it can be changed into a prime (608889041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101481511 + ... + 101481516.

It is an arithmetic number, because the mean of its divisors is an integer number (202963028).

Almost surely, 2608889081 is an apocalyptic number.

It is an amenable number.

608889081 is a deficient number, since it is larger than the sum of its proper divisors (202963031).

608889081 is a wasteful number, since it uses less digits than its factorization.

608889081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202963030.

The product of its (nonzero) digits is 221184, while the sum is 48.

The square root of 608889081 is about 24675.6779238180. The cubic root of 608889081 is about 847.5774532636.

The spelling of 608889081 in words is "six hundred eight million, eight hundred eighty-nine thousand, eighty-one".

Divisors: 1 3 202963027 608889081