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2488081 = 6733697
BaseRepresentation
bin1001011111011100010001
311200102000011
421133130101
51114104311
6125154521
730101611
oct11373421
94612004
102488081
11144a372
129bba41
1369164b
1448aa41
15342321
hex25f711

2488081 has 4 divisors (see below), whose sum is σ = 2492452. Its totient is φ = 2483712.

The previous prime is 2488067. The next prime is 2488099. The reversal of 2488081 is 1808842.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 483025 + 2005056 = 695^2 + 1416^2 .

It is a cyclic number.

It is not a de Polignac number, because 2488081 - 217 = 2357009 is a prime.

It is a super-2 number, since 2×24880812 = 12381094125122, which contains 22 as substring.

It is a Duffinian number.

2488081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2488061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1176 + ... + 2521.

It is an arithmetic number, because the mean of its divisors is an integer number (623113).

22488081 is an apocalyptic number.

It is an amenable number.

2488081 is a deficient number, since it is larger than the sum of its proper divisors (4371).

2488081 is an equidigital number, since it uses as much as digits as its factorization.

2488081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370.

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 2488081 is about 1577.3652081874. The cubic root of 2488081 is about 135.5048495244.

The spelling of 2488081 in words is "two million, four hundred eighty-eight thousand, eighty-one".

Divisors: 1 673 3697 2488081