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3807613 = 29131297
BaseRepresentation
bin1110100001100101111101
321011110001201
432201211331
51433320423
6213335501
744235625
oct16414575
97143051
103807613
112170797
121337591
13a34134
14711885
155032ad
hex3a197d

3807613 has 4 divisors (see below), whose sum is σ = 3938940. Its totient is φ = 3676288.

The previous prime is 3807593. The next prime is 3807647. The reversal of 3807613 is 3167083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3167083 = 17186299.

It can be written as a sum of positive squares in 2 ways, for example, as 1127844 + 2679769 = 1062^2 + 1637^2 .

It is a cyclic number.

It is not a de Polignac number, because 3807613 - 29 = 3807101 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 (3807113) 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, 65620 + ... + 65677.

It is an arithmetic number, because the mean of its divisors is an integer number (984735).

Almost surely, 23807613 is an apocalyptic number.

It is an amenable number.

3807613 is a deficient number, since it is larger than the sum of its proper divisors (131327).

3807613 is a wasteful number, since it uses less digits than its factorization.

3807613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131326.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 3807613 is about 1951.3105852221. The cubic root of 3807613 is about 156.1532162229.

The spelling of 3807613 in words is "three million, eight hundred seven thousand, six hundred thirteen".

Divisors: 1 29 131297 3807613