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980939 = 2114649
BaseRepresentation
bin11101111011111001011
31211211121002
43233133023
5222342224
633005215
711223611
oct3573713
91754532
10980939
1160aaa3
123b380b
1328464b
141b76b1
151459ae
hexef7cb

980939 has 4 divisors (see below), whose sum is σ = 985800. Its totient is φ = 976080.

The previous prime is 980921. The next prime is 980957. The reversal of 980939 is 939089.

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

It is an interprime number because it is at equal distance from previous prime (980921) and next prime (980957).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-980939 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980939.

It is not an unprimeable number, because it can be changed into a prime (980909) 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, 2114 + ... + 2535.

It is an arithmetic number, because the mean of its divisors is an integer number (246450).

2980939 is an apocalyptic number.

980939 is a deficient number, since it is larger than the sum of its proper divisors (4861).

980939 is a wasteful number, since it uses less digits than its factorization.

980939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 980939 is about 990.4236467290. The cubic root of 980939 is about 99.3605531258.

The spelling of 980939 in words is "nine hundred eighty thousand, nine hundred thirty-nine".

Divisors: 1 211 4649 980939