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5421513 = 31807171
BaseRepresentation
bin10100101011100111001001
3101012102220210
4110223213021
52341442023
6312111333
764040106
oct24534711
911172823
105421513
113073299
121995549
13117a8c6
14a11aad
15721593
hex52b9c9

5421513 has 4 divisors (see below), whose sum is σ = 7228688. Its totient is φ = 3614340.

The previous prime is 5421511. The next prime is 5421527. The reversal of 5421513 is 3151245.

5421513 is digitally balanced in base 3, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5421513 - 21 = 5421511 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5421513.

It is not an unprimeable number, because it can be changed into a prime (5421511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903583 + ... + 903588.

It is an arithmetic number, because the mean of its divisors is an integer number (1807172).

Almost surely, 25421513 is an apocalyptic number.

It is an amenable number.

5421513 is a deficient number, since it is larger than the sum of its proper divisors (1807175).

5421513 is a wasteful number, since it uses less digits than its factorization.

5421513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807174.

The product of its digits is 600, while the sum is 21.

The square root of 5421513 is about 2328.4142672643. The cubic root of 5421513 is about 175.6737348235.

Adding to 5421513 its reverse (3151245), we get a palindrome (8572758).

The spelling of 5421513 in words is "five million, four hundred twenty-one thousand, five hundred thirteen".

Divisors: 1 3 1807171 5421513