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2880881 is a prime number
BaseRepresentation
bin1010111111010101110001
312102100211022
422333111301
51214142011
6141425225
733326033
oct12772561
95370738
102880881
1116984a3
12b6b215
1379b383
1454dc53
153bd8db
hex2bf571

2880881 has 2 divisors, whose sum is σ = 2880882. Its totient is φ = 2880880.

The previous prime is 2880877. The next prime is 2880883. The reversal of 2880881 is 1880882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1537600 + 1343281 = 1240^2 + 1159^2 .

It is a cyclic number.

It is not a de Polignac number, because 2880881 - 22 = 2880877 is a prime.

It is a super-2 number, since 2×28808812 = 16598950672322, which contains 22 as substring.

Together with 2880883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2880883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1440440 + 1440441.

It is an arithmetic number, because the mean of its divisors is an integer number (1440441).

22880881 is an apocalyptic number.

It is an amenable number.

2880881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2880881 is an equidigital number, since it uses as much as digits as its factorization.

2880881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8192, while the sum is 35.

The square root of 2880881 is about 1697.3158221144. The cubic root of 2880881 is about 142.2902382145.

Subtracting from 2880881 its reverse (1880882), we obtain a palindrome (999999).

The spelling of 2880881 in words is "two million, eight hundred eighty thousand, eight hundred eighty-one".