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989413 = 8911117
BaseRepresentation
bin11110001100011100101
31212021012221
43301203211
5223130123
633112341
711260405
oct3614345
91767187
10989413
116163a7
123b86b1
13288469
141ba805
1514825d
hexf18e5

989413 has 4 divisors (see below), whose sum is σ = 1000620. Its totient is φ = 978208.

The previous prime is 989411. The next prime is 989419. The reversal of 989413 is 314989.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 146689 + 842724 = 383^2 + 918^2 .

It is a cyclic number.

It is not a de Polignac number, because 989413 - 21 = 989411 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 (989411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5470 + ... + 5647.

It is an arithmetic number, because the mean of its divisors is an integer number (250155).

2989413 is an apocalyptic number.

It is an amenable number.

989413 is a deficient number, since it is larger than the sum of its proper divisors (11207).

989413 is a wasteful number, since it uses less digits than its factorization.

989413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11206.

The product of its digits is 7776, while the sum is 34.

The square root of 989413 is about 994.6924147695. The cubic root of 989413 is about 99.6458472389.

The spelling of 989413 in words is "nine hundred eighty-nine thousand, four hundred thirteen".

Divisors: 1 89 11117 989413