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889680901 = 8310719047
BaseRepresentation
bin110101000001110…
…111010000000101
32022000002110202111
4311001313100011
53310224242101
6224140541021
731022106604
oct6501672005
92260073674
10889680901
1141722447a
12209b51771
13112422805
1486231a3b
155318e251
hex35077405

889680901 has 4 divisors (see below), whose sum is σ = 900400032. Its totient is φ = 878961772.

The previous prime is 889680899. The next prime is 889680919. The reversal of 889680901 is 109086988.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 889680901 - 21 = 889680899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889680971) 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 3 ways as a sum of consecutive naturals, for example, 5359441 + ... + 5359606.

It is an arithmetic number, because the mean of its divisors is an integer number (225100008).

Almost surely, 2889680901 is an apocalyptic number.

It is an amenable number.

889680901 is a deficient number, since it is larger than the sum of its proper divisors (10719131).

889680901 is a wasteful number, since it uses less digits than its factorization.

889680901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10719130.

The product of its (nonzero) digits is 248832, while the sum is 49.

The square root of 889680901 is about 29827.5191895002. The cubic root of 889680901 is about 961.7851985464.

The spelling of 889680901 in words is "eight hundred eighty-nine million, six hundred eighty thousand, nine hundred one".

Divisors: 1 83 10719047 889680901