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2061001 = 2971069
BaseRepresentation
bin111110111001011001001
310212201011101
413313023021
51011423001
6112101401
723342515
oct7671311
93781141
102061001
111188508
12834861
13572137
143b9145
152aaa01
hex1f72c9

2061001 has 4 divisors (see below), whose sum is σ = 2132100. Its totient is φ = 1989904.

The previous prime is 2060977. The next prime is 2061013. The reversal of 2061001 is 1001602.

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 331776 + 1729225 = 576^2 + 1315^2 .

It is a cyclic number.

It is not a de Polignac number, because 2061001 - 29 = 2060489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35506 + ... + 35563.

It is an arithmetic number, because the mean of its divisors is an integer number (533025).

22061001 is an apocalyptic number.

It is an amenable number.

2061001 is a deficient number, since it is larger than the sum of its proper divisors (71099).

2061001 is an equidigital number, since it uses as much as digits as its factorization.

2061001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71098.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2061001 is about 1435.6186819626. The cubic root of 2061001 is about 127.2602388952.

Adding to 2061001 its reverse (1001602), we get a palindrome (3062603).

The spelling of 2061001 in words is "two million, sixty-one thousand, one".

Divisors: 1 29 71069 2061001