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4490881 = 6183887
BaseRepresentation
bin10001001000011010000001
322110011022221
4101020122001
52122202011
6240131041
753112643
oct21103201
98404287
104490881
11259807a
121606a81
13c13135
1484c893
155da971
hex448681

4490881 has 8 divisors (see below), whose sum is σ = 4624704. Its totient is φ = 4359120.

The previous prime is 4490879. The next prime is 4490921. The reversal of 4490881 is 1880944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4490881 - 21 = 4490879 is a prime.

It is a super-2 number, since 2×44908812 = 40336024312322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4490831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4620 + ... + 5506.

It is an arithmetic number, because the mean of its divisors is an integer number (578088).

Almost surely, 24490881 is an apocalyptic number.

It is an amenable number.

4490881 is a deficient number, since it is larger than the sum of its proper divisors (133823).

4490881 is an equidigital number, since it uses as much as digits as its factorization.

4490881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 4490881 is about 2119.1698846482. The cubic root of 4490881 is about 164.9847674949.

The spelling of 4490881 in words is "four million, four hundred ninety thousand, eight hundred eighty-one".

Divisors: 1 61 83 887 5063 54107 73621 4490881