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980113 = 2933797
BaseRepresentation
bin11101111010010010001
31211210110111
43233102101
5222330423
633001321
711221321
oct3572221
91753414
10980113
1160a412
123b3241
13284164
141b7281
1514560d
hexef491

980113 has 4 divisors (see below), whose sum is σ = 1013940. Its totient is φ = 946288.

The previous prime is 980107. The next prime is 980117. The reversal of 980113 is 311089.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311089 = 1132753.

It can be written as a sum of positive squares in 2 ways, for example, as 451584 + 528529 = 672^2 + 727^2 .

It is a cyclic number.

It is not a de Polignac number, because 980113 - 25 = 980081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980117) 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, 16870 + ... + 16927.

It is an arithmetic number, because the mean of its divisors is an integer number (253485).

2980113 is an apocalyptic number.

It is an amenable number.

980113 is a deficient number, since it is larger than the sum of its proper divisors (33827).

980113 is a wasteful number, since it uses less digits than its factorization.

980113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33826.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 980113 is about 990.0065656348. The cubic root of 980113 is about 99.3326564323.

The spelling of 980113 in words is "nine hundred eighty thousand, one hundred thirteen".

Divisors: 1 29 33797 980113