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889561319 = 8925139821
BaseRepresentation
bin110101000001011…
…010000011100111
32021222212101201112
4311001122003213
53310211430234
6224134215235
731021101143
oct6501320347
92258771645
10889561319
11417152649
12209ab451b
131123b025a
1486200223
1553168ace
hex3505a0e7

889561319 has 8 divisors (see below), whose sum is σ = 903162960. Its totient is φ = 876040000.

The previous prime is 889561313. The next prime is 889561327. The reversal of 889561319 is 913165988.

It is a happy number.

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 889561319 - 24 = 889561303 is a prime.

It is a super-2 number, since 2×8895613192 = 1582638680522039522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889561313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2429 + ... + 42249.

It is an arithmetic number, because the mean of its divisors is an integer number (112895370).

Almost surely, 2889561319 is an apocalyptic number.

889561319 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

889561319 is a deficient number, since it is larger than the sum of its proper divisors (13601641).

889561319 is a wasteful number, since it uses less digits than its factorization.

889561319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40161.

The product of its digits is 466560, while the sum is 50.

The square root of 889561319 is about 29825.5145638763. The cubic root of 889561319 is about 961.7421054364.

The spelling of 889561319 in words is "eight hundred eighty-nine million, five hundred sixty-one thousand, three hundred nineteen".

Divisors: 1 89 251 22339 39821 3544069 9995071 889561319