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3955361 = 8534637
BaseRepresentation
bin1111000101101010100001
321102221201212
433011222201
52003032421
6220435505
745422444
oct17055241
97387655
103955361
1122617a3
1213a8b95
13a86467
1474d65b
15531e5b
hex3c5aa1

3955361 has 4 divisors (see below), whose sum is σ = 3960852. Its totient is φ = 3949872.

The previous prime is 3955331. The next prime is 3955387. The reversal of 3955361 is 1635593.

3955361 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 an emirpimes, since its reverse is a distinct semiprime: 1635593 = 6126813.

It can be written as a sum of positive squares in 2 ways, for example, as 555025 + 3400336 = 745^2 + 1844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3955361 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3955331) 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 3 ways as a sum of consecutive naturals, for example, 1466 + ... + 3171.

It is an arithmetic number, because the mean of its divisors is an integer number (990213).

Almost surely, 23955361 is an apocalyptic number.

It is an amenable number.

3955361 is a deficient number, since it is larger than the sum of its proper divisors (5491).

3955361 is an equidigital number, since it uses as much as digits as its factorization.

3955361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5490.

The product of its digits is 12150, while the sum is 32.

The square root of 3955361 is about 1988.8089400443. The cubic root of 3955361 is about 158.1473949023.

The spelling of 3955361 in words is "three million, nine hundred fifty-five thousand, three hundred sixty-one".

Divisors: 1 853 4637 3955361