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5132621 = 13394817
BaseRepresentation
bin10011100101000101001101
3100122202122002
4103211011031
52303220441
6302002045
761424624
oct23450515
910582562
105132621
11299623a
121876325
1310a9270
149786bb
156b5b9b
hex4e514d

5132621 has 4 divisors (see below), whose sum is σ = 5527452. Its totient is φ = 4737792.

The previous prime is 5132599. The next prime is 5132629. The reversal of 5132621 is 1262315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1262315 = 5252463.

It can be written as a sum of positive squares in 2 ways, for example, as 1932100 + 3200521 = 1390^2 + 1789^2 .

It is a cyclic number.

It is not a de Polignac number, because 5132621 - 218 = 4870477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5132593 and 5132602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5132629) 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, 197396 + ... + 197421.

It is an arithmetic number, because the mean of its divisors is an integer number (1381863).

Almost surely, 25132621 is an apocalyptic number.

It is an amenable number.

5132621 is a deficient number, since it is larger than the sum of its proper divisors (394831).

5132621 is a wasteful number, since it uses less digits than its factorization.

5132621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394830.

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

The square root of 5132621 is about 2265.5288565807. The cubic root of 5132621 is about 172.4962794129.

Adding to 5132621 its reverse (1262315), we get a palindrome (6394936).

The spelling of 5132621 in words is "five million, one hundred thirty-two thousand, six hundred twenty-one".

Divisors: 1 13 394817 5132621