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880000993 is a prime number
BaseRepresentation
bin110100011100111…
…011111111100001
32021022212200102101
4310130323333201
53300240012433
6223153250401
730543612364
oct6434737741
92238780371
10880000993
11411812853
12206863a01
13110413861
1484c320db
15523cb07d
hex3473bfe1

880000993 has 2 divisors, whose sum is σ = 880000994. Its totient is φ = 880000992.

The previous prime is 880000991. The next prime is 880001011. The reversal of 880000993 is 399000088.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 808378624 + 71622369 = 28432^2 + 8463^2 .

It is a cyclic number.

It is not a de Polignac number, because 880000993 - 21 = 880000991 is a prime.

Together with 880000991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (880000991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440000496 + 440000497.

It is an arithmetic number, because the mean of its divisors is an integer number (440000497).

Almost surely, 2880000993 is an apocalyptic number.

It is an amenable number.

880000993 is a deficient number, since it is larger than the sum of its proper divisors (1).

880000993 is an equidigital number, since it uses as much as digits as its factorization.

880000993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 880000993 is about 29664.8106853895. The cubic root of 880000993 is about 958.2843318579.

The spelling of 880000993 in words is "eight hundred eighty million, nine hundred ninety-three", and thus it is an aban number.