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1712013 = 3570671
BaseRepresentation
bin110100001111110001101
310012222102220
412201332031
5414241023
6100405553
720360202
oct6417615
93188386
101712013
11a6a296
126a68b9
1347c334
14327ca9
1523c3e3
hex1a1f8d

1712013 has 4 divisors (see below), whose sum is σ = 2282688. Its totient is φ = 1141340.

The previous prime is 1711993. The next prime is 1712017. The reversal of 1712013 is 3102171.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1712013 - 25 = 1711981 is a prime.

It is a D-number.

1712013 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1711983 and 1712001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1712017) 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, 285333 + ... + 285338.

It is an arithmetic number, because the mean of its divisors is an integer number (570672).

21712013 is an apocalyptic number.

It is an amenable number.

1712013 is a deficient number, since it is larger than the sum of its proper divisors (570675).

1712013 is an equidigital number, since it uses as much as digits as its factorization.

1712013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570674.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 1712013 is about 1308.4391464642. The cubic root of 1712013 is about 119.6287833916.

Adding to 1712013 its reverse (3102171), we get a palindrome (4814184).

The spelling of 1712013 in words is "one million, seven hundred twelve thousand, thirteen".

Divisors: 1 3 570671 1712013