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4481881 is a prime number
BaseRepresentation
bin10001000110001101011001
322102200222121
4101012031121
52121410011
6240021241
753044465
oct21061531
98380877
104481881
112591338
121601821
13c0c001
148494a5
155d7e71
hex446359

4481881 has 2 divisors, whose sum is σ = 4481882. Its totient is φ = 4481880.

The previous prime is 4481857. The next prime is 4481899. The reversal of 4481881 is 1881844.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3080025 + 1401856 = 1755^2 + 1184^2 .

It is a cyclic number.

It is not a de Polignac number, because 4481881 - 29 = 4481369 is a prime.

It is a super-2 number, since 2×44818812 = 40174514596322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4481801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2240940 + 2240941.

It is an arithmetic number, because the mean of its divisors is an integer number (2240941).

Almost surely, 24481881 is an apocalyptic number.

It is an amenable number.

4481881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4481881 is an equidigital number, since it uses as much as digits as its factorization.

4481881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8192, while the sum is 34.

The square root of 4481881 is about 2117.0453467037. The cubic root of 4481881 is about 164.8744806023.

The spelling of 4481881 in words is "four million, four hundred eighty-one thousand, eight hundred eighty-one".