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989406914 = 21171742221
BaseRepresentation
bin111010111110010…
…010011011000010
32112221202002010112
4322332102123002
54011242010124
6242102231322
733342551156
oct7276223302
92487662115
10989406914
11468549071
12237425542
13129c9b6a2
1495591066
155bcdc90e
hex3af926c2

989406914 has 8 divisors (see below), whose sum is σ = 1484272188. Its totient is φ = 494649520.

The previous prime is 989406911. The next prime is 989406937. The reversal of 989406914 is 419604989.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 988159225 + 1247689 = 31435^2 + 1117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (989406911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2324 + ... + 44544.

Almost surely, 2989406914 is an apocalyptic number.

989406914 is a deficient number, since it is larger than the sum of its proper divisors (494865274).

989406914 is a wasteful number, since it uses less digits than its factorization.

989406914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53940.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 989406914 is about 31454.8392779235. The cubic root of 989406914 is about 996.4564292719.

The spelling of 989406914 in words is "nine hundred eighty-nine million, four hundred six thousand, nine hundred fourteen".

Divisors: 1 2 11717 23434 42221 84442 494703457 989406914