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2581041 = 36712841
BaseRepresentation
bin1001110110001000110001
311212010112010
421312020301
51130043131
6131153133
730636621
oct11661061
94763463
102581041
1115031a1
12a457a9
136c4a58
144b2881
1535eb46
hex276231

2581041 has 8 divisors (see below), whose sum is σ = 3493024. Its totient is φ = 1694880.

The previous prime is 2581031. The next prime is 2581049. The reversal of 2581041 is 1401852.

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

It is not a de Polignac number, because 2581041 - 211 = 2578993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2580999 and 2581017.

It is not an unprimeable number, because it can be changed into a prime (2581049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6220 + ... + 6621.

It is an arithmetic number, because the mean of its divisors is an integer number (436628).

22581041 is an apocalyptic number.

It is an amenable number.

2581041 is a deficient number, since it is larger than the sum of its proper divisors (911983).

2581041 is a wasteful number, since it uses less digits than its factorization.

2581041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12911.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2581041 is about 1606.5618568857. The cubic root of 2581041 is about 137.1718411273.

Adding to 2581041 its reverse (1401852), we get a palindrome (3982893).

The spelling of 2581041 in words is "two million, five hundred eighty-one thousand, forty-one".

Divisors: 1 3 67 201 12841 38523 860347 2581041