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4931393 = 19259547
BaseRepresentation
bin10010110011111101000001
3100021112121012
4102303331001
52230301033
6253410305
756626145
oct22637501
910245535
104931393
112869035
121799995
1310387ac
14925225
15676248
hex4b3f41

4931393 has 4 divisors (see below), whose sum is σ = 5190960. Its totient is φ = 4671828.

The previous prime is 4931389. The next prime is 4931441. The reversal of 4931393 is 3931394.

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 a cyclic number.

It is not a de Polignac number, because 4931393 - 22 = 4931389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4931593) 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, 129755 + ... + 129792.

It is an arithmetic number, because the mean of its divisors is an integer number (1297740).

Almost surely, 24931393 is an apocalyptic number.

It is an amenable number.

4931393 is a deficient number, since it is larger than the sum of its proper divisors (259567).

4931393 is a wasteful number, since it uses less digits than its factorization.

4931393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259566.

The product of its digits is 8748, while the sum is 32.

The square root of 4931393 is about 2220.6739967857. The cubic root of 4931393 is about 170.2118811389.

Subtracting from 4931393 its reverse (3931394), we obtain a palindrome (999999).

The spelling of 4931393 in words is "four million, nine hundred thirty-one thousand, three hundred ninety-three".

Divisors: 1 19 259547 4931393