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5643101 = 46112241
BaseRepresentation
bin10101100001101101011101
3101121200212202
4111201231131
52421034401
6320541245
765652122
oct25415535
911550782
105643101
113204822
121a81825
131227719
14a6c749
1576706b
hex561b5d

5643101 has 4 divisors (see below), whose sum is σ = 5655804. Its totient is φ = 5630400.

The previous prime is 5643091. The next prime is 5643103. The reversal of 5643101 is 1013465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1013465 = 5202693.

It can be written as a sum of positive squares in 2 ways, for example, as 1623076 + 4020025 = 1274^2 + 2005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5643101 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 (5643103) 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, 5660 + ... + 6581.

It is an arithmetic number, because the mean of its divisors is an integer number (1413951).

Almost surely, 25643101 is an apocalyptic number.

It is an amenable number.

5643101 is a deficient number, since it is larger than the sum of its proper divisors (12703).

5643101 is a wasteful number, since it uses less digits than its factorization.

5643101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12702.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 5643101 is about 2375.5212059672. The cubic root of 5643101 is about 178.0352263742.

Adding to 5643101 its reverse (1013465), we get a palindrome (6656566).

The spelling of 5643101 in words is "five million, six hundred forty-three thousand, one hundred one".

Divisors: 1 461 12241 5643101