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612413 = 757809
BaseRepresentation
bin10010101100000111101
31011010001222
42111200331
5124044123
621043125
75130314
oct2254075
91133058
10612413
1138912a
122564a5
13185999
1411d27b
15c16c8
hex9583d

612413 has 4 divisors (see below), whose sum is σ = 613980. Its totient is φ = 610848.

The previous prime is 612407. The next prime is 612439. The reversal of 612413 is 314216.

612413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 466489 + 145924 = 683^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 612413 - 26 = 612349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612391 and 612400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612113) 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, 353 + ... + 1161.

It is an arithmetic number, because the mean of its divisors is an integer number (153495).

2612413 is an apocalyptic number.

It is an amenable number.

612413 is a deficient number, since it is larger than the sum of its proper divisors (1567).

612413 is an equidigital number, since it uses as much as digits as its factorization.

612413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566.

The product of its digits is 144, while the sum is 17.

The square root of 612413 is about 782.5682078899. The cubic root of 612413 is about 84.9209414847.

Adding to 612413 its reverse (314216), we get a palindrome (926629).

The spelling of 612413 in words is "six hundred twelve thousand, four hundred thirteen".

Divisors: 1 757 809 612413