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4160881 is a prime number
BaseRepresentation
bin1111110111110101110001
321211101122201
433313311301
52031122011
6225103201
750236564
oct17676561
97741581
104160881
11239214a
121487b01
13b28b7a
147a44db
15572cc1
hex3f7d71

4160881 has 2 divisors, whose sum is σ = 4160882. Its totient is φ = 4160880.

The previous prime is 4160879. The next prime is 4160899. The reversal of 4160881 is 1880614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2512225 + 1648656 = 1585^2 + 1284^2 .

It is a cyclic number.

It is not a de Polignac number, because 4160881 - 21 = 4160879 is a prime.

It is a super-2 number, since 2×41608812 = 34625861392322, which contains 22 as substring.

Together with 4160879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4160281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080440 + 2080441.

It is an arithmetic number, because the mean of its divisors is an integer number (2080441).

Almost surely, 24160881 is an apocalyptic number.

It is an amenable number.

4160881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4160881 is an equidigital number, since it uses as much as digits as its factorization.

4160881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 4160881 is about 2039.8237668975. The cubic root of 4160881 is about 160.8403829377.

It can be divided in two parts, 4160 and 881, that added together give a square (5041 = 712).

The spelling of 4160881 in words is "four million, one hundred sixty thousand, eight hundred eighty-one".