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80883801 = 3223390743
BaseRepresentation
bin1001101001000…
…11000001011001
312122012022201100
410310203001121
5131201240201
612005342013
72001333555
oct464430131
9178168640
1080883801
1141725219
1223107909
13139ac74b
14aa56865
15717a886
hex4d23059

80883801 has 12 divisors (see below), whose sum is σ = 121912128. Its totient is φ = 51577944.

The previous prime is 80883799. The next prime is 80883821. The reversal of 80883801 is 10838808.

It is not a de Polignac number, because 80883801 - 21 = 80883799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80883821) 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 11 ways as a sum of consecutive naturals, for example, 195165 + ... + 195578.

It is an arithmetic number, because the mean of its divisors is an integer number (10159344).

Almost surely, 280883801 is an apocalyptic number.

It is an amenable number.

80883801 is a deficient number, since it is larger than the sum of its proper divisors (41028327).

80883801 is a wasteful number, since it uses less digits than its factorization.

80883801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390772 (or 390769 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 80883801 is about 8993.5421831445. The cubic root of 80883801 is about 432.4678733640.

The spelling of 80883801 in words is "eighty million, eight hundred eighty-three thousand, eight hundred one".

Divisors: 1 3 9 23 69 207 390743 1172229 3516687 8987089 26961267 80883801