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989874107 = 2900934123
BaseRepresentation
bin111011000000000…
…100011110111011
32112222121210222222
4323000010132323
54011401432412
6242120234255
733346535225
oct7300043673
92488553888
10989874107
11468838082
1223760b98b
1312a103231
1495673415
155bd81072
hex3b0047bb

989874107 has 4 divisors (see below), whose sum is σ = 989937240. Its totient is φ = 989810976.

The previous prime is 989874101. The next prime is 989874131. The reversal of 989874107 is 701478989.

989874107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 701478989 = 1346952081.

It is a cyclic number.

It is not a de Polignac number, because 989874107 - 26 = 989874043 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989874101) 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, 11948 + ... + 46070.

It is an arithmetic number, because the mean of its divisors is an integer number (247484310).

Almost surely, 2989874107 is an apocalyptic number.

989874107 is a deficient number, since it is larger than the sum of its proper divisors (63133).

989874107 is a wasteful number, since it uses less digits than its factorization.

989874107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63132.

The product of its (nonzero) digits is 1016064, while the sum is 53.

The square root of 989874107 is about 31462.2648104042. The cubic root of 989874107 is about 996.6132451739.

The spelling of 989874107 in words is "nine hundred eighty-nine million, eight hundred seventy-four thousand, one hundred seven".

Divisors: 1 29009 34123 989874107