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873072881 is a prime number
BaseRepresentation
bin110100000010100…
…000100011110001
32020211211200211122
4310002200203301
53242001313011
6222344552025
730430665662
oct6402404361
92224750748
10873072881
1140891063a
12204482615
1310bb59295
1483d4b369
15519ad3db
hex340a08f1

873072881 has 2 divisors, whose sum is σ = 873072882. Its totient is φ = 873072880.

The previous prime is 873072877. The next prime is 873072911. The reversal of 873072881 is 188270378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 815616481 + 57456400 = 28559^2 + 7580^2 .

It is a cyclic number.

It is not a de Polignac number, because 873072881 - 22 = 873072877 is a prime.

It is a super-2 number, since 2×8730728812 = 1524512511075280322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (873075881) 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 as a sum of consecutive naturals, namely, 436536440 + 436536441.

It is an arithmetic number, because the mean of its divisors is an integer number (436536441).

Almost surely, 2873072881 is an apocalyptic number.

It is an amenable number.

873072881 is a deficient number, since it is larger than the sum of its proper divisors (1).

873072881 is an equidigital number, since it uses as much as digits as its factorization.

873072881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 44.

The square root of 873072881 is about 29547.8067037132. The cubic root of 873072881 is about 955.7628950597.

The spelling of 873072881 in words is "eight hundred seventy-three million, seventy-two thousand, eight hundred eighty-one".