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4380881 is a prime number
BaseRepresentation
bin10000101101100011010001
322020120102212
4100231203101
52110142011
6233521505
752144151
oct20554321
98216385
104380881
11252246a
121573295
13ba504b
14820761
155b808b
hex42d8d1

4380881 has 2 divisors, whose sum is σ = 4380882. Its totient is φ = 4380880.

The previous prime is 4380853. The next prime is 4380919. The reversal of 4380881 is 1880834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2531281 + 1849600 = 1591^2 + 1360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4380881 is a prime.

It is a super-2 number, since 2×43808812 = 38384236672322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4380841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2190440 + 2190441.

It is an arithmetic number, because the mean of its divisors is an integer number (2190441).

Almost surely, 24380881 is an apocalyptic number.

It is an amenable number.

4380881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4380881 is an equidigital number, since it uses as much as digits as its factorization.

4380881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 4380881 is about 2093.0554221042. The cubic root of 4380881 is about 163.6265670435.

The spelling of 4380881 in words is "four million, three hundred eighty thousand, eight hundred eighty-one".