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889688613 = 31126960261
BaseRepresentation
bin110101000001111…
…001001000100101
32022000002212100010
4311001321020211
53310230013423
6224141040433
731022141232
oct6501711045
92260085303
10889688613
1141722a250
12209b56119
13112426188
1486234789
1553191693
hex35079225

889688613 has 8 divisors (see below), whose sum is σ = 1294092576. Its totient is φ = 539205200.

The previous prime is 889688609. The next prime is 889688617. The reversal of 889688613 is 316886988.

It is an interprime number because it is at equal distance from previous prime (889688609) and next prime (889688617).

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 889688613 - 22 = 889688609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889688617) 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, 13480098 + ... + 13480163.

It is an arithmetic number, because the mean of its divisors is an integer number (161761572).

Almost surely, 2889688613 is an apocalyptic number.

It is an amenable number.

889688613 is a deficient number, since it is larger than the sum of its proper divisors (404403963).

889688613 is a wasteful number, since it uses less digits than its factorization.

889688613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26960275.

The product of its digits is 3981312, while the sum is 57.

The square root of 889688613 is about 29827.6484658110. The cubic root of 889688613 is about 961.7879775451.

The spelling of 889688613 in words is "eight hundred eighty-nine million, six hundred eighty-eight thousand, six hundred thirteen".

Divisors: 1 3 11 33 26960261 80880783 296562871 889688613