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980195 = 5196039
BaseRepresentation
bin11101111010011100011
31211210120112
43233103203
5222331240
633001535
711221466
oct3572343
91753515
10980195
1160a487
123b32ab
132841c8
141b72dd
15145665
hexef4e3

980195 has 4 divisors (see below), whose sum is σ = 1176240. Its totient is φ = 784152.

The previous prime is 980179. The next prime is 980197. The reversal of 980195 is 591089.

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

It is a cyclic number.

It is not a de Polignac number, because 980195 - 24 = 980179 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 980195.

It is not an unprimeable number, because it can be changed into a prime (980197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98015 + ... + 98024.

It is an arithmetic number, because the mean of its divisors is an integer number (294060).

2980195 is an apocalyptic number.

980195 is a deficient number, since it is larger than the sum of its proper divisors (196045).

980195 is a wasteful number, since it uses less digits than its factorization.

980195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196044.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 980195 is about 990.0479786354. The cubic root of 980195 is about 99.3354265383.

The spelling of 980195 in words is "nine hundred eighty thousand, one hundred ninety-five".

Divisors: 1 5 196039 980195