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3897313 = 7279537
BaseRepresentation
bin1110110111011111100001
321100000002221
432313133201
51444203223
6215311041
745061300
oct16673741
97300087
103897313
112222122
12137b481
13a65c04
14736437
1551eb5d
hex3b77e1

3897313 has 6 divisors (see below), whose sum is σ = 4533666. Its totient is φ = 3340512.

The previous prime is 3897269. The next prime is 3897331. The reversal of 3897313 is 3137983.

It can be written as a sum of positive squares in only one way, i.e., 3869089 + 28224 = 1967^2 + 168^2 .

It is not a de Polignac number, because 3897313 - 29 = 3896801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3897353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39720 + ... + 39817.

It is an arithmetic number, because the mean of its divisors is an integer number (755611).

Almost surely, 23897313 is an apocalyptic number.

It is an amenable number.

3897313 is a deficient number, since it is larger than the sum of its proper divisors (636353).

3897313 is an equidigital number, since it uses as much as digits as its factorization.

3897313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79551 (or 79544 counting only the distinct ones).

The product of its digits is 13608, while the sum is 34.

The square root of 3897313 is about 1974.1613409243. The cubic root of 3897313 is about 157.3699337709.

The spelling of 3897313 in words is "three million, eight hundred ninety-seven thousand, three hundred thirteen".

Divisors: 1 7 49 79537 556759 3897313