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34889 = 139251
BaseRepresentation
bin1000100001001001
31202212012
420201021
52104024
6425305
7203501
oct104111
952765
1034889
1124238
1218235
1312b5a
14ca01
15a50e
hex8849

34889 has 4 divisors (see below), whose sum is σ = 35280. Its totient is φ = 34500.

The previous prime is 34883. The next prime is 34897. The reversal of 34889 is 98843.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98843 = 971019.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (34883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14 + ... + 264.

It is an arithmetic number, because the mean of its divisors is an integer number (8820).

234889 is an apocalyptic number.

It is an amenable number.

34889 is a deficient number, since it is larger than the sum of its proper divisors (391).

34889 is a wasteful number, since it uses less digits than its factorization.

34889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390.

The product of its digits is 6912, while the sum is 32.

The square root of 34889 is about 186.7859737775. The cubic root of 34889 is about 32.6760466377.

The spelling of 34889 in words is "thirty-four thousand, eight hundred eighty-nine".

Divisors: 1 139 251 34889