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2061349 = 2971081
BaseRepresentation
bin111110111010000100101
310212201122021
413313100211
51011430344
6112103141
723343523
oct7672045
93781567
102061349
1111887a4
12834ab1
13572344
143b9313
152aab84
hex1f7425

2061349 has 4 divisors (see below), whose sum is σ = 2132460. Its totient is φ = 1990240.

The previous prime is 2061341. The next prime is 2061361. The reversal of 2061349 is 9431602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9431602 = 24715801.

It can be written as a sum of positive squares in 2 ways, for example, as 1397124 + 664225 = 1182^2 + 815^2 .

It is a cyclic number.

It is not a de Polignac number, because 2061349 - 23 = 2061341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061341) 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, 35512 + ... + 35569.

It is an arithmetic number, because the mean of its divisors is an integer number (533115).

22061349 is an apocalyptic number.

2061349 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2061349 is a deficient number, since it is larger than the sum of its proper divisors (71111).

2061349 is an equidigital number, since it uses as much as digits as its factorization.

2061349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71110.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2061349 is about 1435.7398789474. The cubic root of 2061349 is about 127.2674011222.

The spelling of 2061349 in words is "two million, sixty-one thousand, three hundred forty-nine".

Divisors: 1 29 71081 2061349