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4048313 = 29139597
BaseRepresentation
bin1111011100010110111001
321121200020112
433130112321
52014021223
6222434105
746260443
oct17342671
97550215
104048313
112315615
121432935
13ab9869
14775493
1554e778
hex3dc5b9

4048313 has 4 divisors (see below), whose sum is σ = 4187940. Its totient is φ = 3908688.

The previous prime is 4048309. The next prime is 4048339. The reversal of 4048313 is 3138404.

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 2096704 + 1951609 = 1448^2 + 1397^2 .

It is a cyclic number.

It is not a de Polignac number, because 4048313 - 22 = 4048309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4048393) 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, 69770 + ... + 69827.

It is an arithmetic number, because the mean of its divisors is an integer number (1046985).

Almost surely, 24048313 is an apocalyptic number.

It is an amenable number.

4048313 is a deficient number, since it is larger than the sum of its proper divisors (139627).

4048313 is a wasteful number, since it uses less digits than its factorization.

4048313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139626.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4048313 is about 2012.0419975736. The cubic root of 4048313 is about 159.3766501431.

Subtracting from 4048313 its reverse (3138404), we obtain a palindrome (909909).

The spelling of 4048313 in words is "four million, forty-eight thousand, three hundred thirteen".

Divisors: 1 29 139597 4048313