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4531393 = 17212633
BaseRepresentation
bin10001010010010011000001
322112012220101
4101102103001
52130001033
6241042401
753342026
oct21222301
98465811
104531393
112615559
121626401
13c286c9
1485d54d
155e797d
hex4524c1

4531393 has 4 divisors (see below), whose sum is σ = 4535748. Its totient is φ = 4527040.

The previous prime is 4531379. The next prime is 4531399. The reversal of 4531393 is 3931354.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1993744 + 2537649 = 1412^2 + 1593^2 .

It is a cyclic number.

It is not a de Polignac number, because 4531393 - 213 = 4523201 is a prime.

It is a Duffinian number.

4531393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4531399) 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, 405 + ... + 3037.

It is an arithmetic number, because the mean of its divisors is an integer number (1133937).

Almost surely, 24531393 is an apocalyptic number.

It is an amenable number.

4531393 is a deficient number, since it is larger than the sum of its proper divisors (4355).

4531393 is a wasteful number, since it uses less digits than its factorization.

4531393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4354.

The product of its digits is 4860, while the sum is 28.

The square root of 4531393 is about 2128.7068844724. The cubic root of 4531393 is about 165.4793894311.

The spelling of 4531393 in words is "four million, five hundred thirty-one thousand, three hundred ninety-three".

Divisors: 1 1721 2633 4531393