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80795982 = 2331434387
BaseRepresentation
bin1001101000011…
…01100101001110
312122000212020210
410310031211032
5131140432412
612003423250
72000516541
oct464154516
9178025223
1080795982
1141675243
1223084b26
131397b797
14aa32858
15715e83c
hex4d0d94e

80795982 has 16 divisors (see below), whose sum is σ = 166804992. Its totient is φ = 26063160.

The previous prime is 80795977. The next prime is 80795983. The reversal of 80795982 is 28959708.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80795983) 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 7 ways as a sum of consecutive naturals, for example, 217008 + ... + 217379.

It is an arithmetic number, because the mean of its divisors is an integer number (10425312).

Almost surely, 280795982 is an apocalyptic number.

80795982 is an abundant number, since it is smaller than the sum of its proper divisors (86009010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80795982 is a wasteful number, since it uses less digits than its factorization.

80795982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434423.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 80795982 is about 8988.6585206025. The cubic root of 80795982 is about 432.3113003993.

The spelling of 80795982 in words is "eighty million, seven hundred ninety-five thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 31 62 93 186 434387 868774 1303161 2606322 13465997 26931994 40397991 80795982