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5684121 = 33210523
BaseRepresentation
bin10101101011101110011001
3101200210011000
4111223232121
52423342441
6321455213
766212532
oct25535631
911623130
105684121
113232623
121aa1509
1312402b1
14a7d689
157742b6
hex56bb99

5684121 has 8 divisors (see below), whose sum is σ = 8420960. Its totient is φ = 3789396.

The previous prime is 5684113. The next prime is 5684123. The reversal of 5684121 is 1214865.

It is not a de Polignac number, because 5684121 - 23 = 5684113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 210523 = 5684121 / (5 + 6 + 8 + 4 + 1 + 2 + 1).

It is a Duffinian number.

It is a Curzon number.

5684121 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5684123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105235 + ... + 105288.

It is an arithmetic number, because the mean of its divisors is an integer number (1052620).

Almost surely, 25684121 is an apocalyptic number.

It is an amenable number.

5684121 is a deficient number, since it is larger than the sum of its proper divisors (2736839).

5684121 is a wasteful number, since it uses less digits than its factorization.

5684121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210532 (or 210526 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 5684121 is about 2384.1394673970. The cubic root of 5684121 is about 178.4655678236.

Adding to 5684121 its reverse (1214865), we get a palindrome (6898986).

The spelling of 5684121 in words is "five million, six hundred eighty-four thousand, one hundred twenty-one".

Divisors: 1 3 9 27 210523 631569 1894707 5684121