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980887 is a prime number
BaseRepresentation
bin11101111011110010111
31211211112011
43233132113
5222342022
633005051
711223505
oct3573627
91754464
10980887
1160aa56
123b3787
1328460b
141b7675
15145977
hexef797

980887 has 2 divisors, whose sum is σ = 980888. Its totient is φ = 980886.

The previous prime is 980851. The next prime is 980893. The reversal of 980887 is 788089.

It is a strong prime.

It is an emirp because it is prime and its reverse (788089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 980887 - 211 = 978839 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980827) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490443 + 490444.

It is an arithmetic number, because the mean of its divisors is an integer number (490444).

2980887 is an apocalyptic number.

980887 is a deficient number, since it is larger than the sum of its proper divisors (1).

980887 is an equidigital number, since it uses as much as digits as its factorization.

980887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 980887 is about 990.3973949885. The cubic root of 980887 is about 99.3587973795.

The spelling of 980887 in words is "nine hundred eighty thousand, eight hundred eighty-seven".