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4313813 = 7288037
BaseRepresentation
bin10000011101001011010101
322010011102212
4100131023111
52101020223
6232243205
751444500
oct20351325
98104385
104313813
112487039
121540505
13b8066a
14804137
155a3278
hex41d2d5

4313813 has 6 divisors (see below), whose sum is σ = 5018166. Its totient is φ = 3697512.

The previous prime is 4313807. The next prime is 4313819. The reversal of 4313813 is 3183134.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4313807) and next prime (4313819).

It can be written as a sum of positive squares in only one way, i.e., 4008004 + 305809 = 2002^2 + 553^2 .

It is not a de Polignac number, because 4313813 - 24 = 4313797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4313819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43970 + ... + 44067.

It is an arithmetic number, because the mean of its divisors is an integer number (836361).

Almost surely, 24313813 is an apocalyptic number.

It is an amenable number.

4313813 is a deficient number, since it is larger than the sum of its proper divisors (704353).

4313813 is an equidigital number, since it uses as much as digits as its factorization.

4313813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88051 (or 88044 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 4313813 is about 2076.9720749206. The cubic root of 4313813 is about 162.7872693774.

Adding to 4313813 its reverse (3183134), we get a palindrome (7496947).

The spelling of 4313813 in words is "four million, three hundred thirteen thousand, eight hundred thirteen".

Divisors: 1 7 49 88037 616259 4313813