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5123789 = 11465799
BaseRepresentation
bin10011100010111011001101
3100122022111222
4103202323031
52302430124
6301453125
761360106
oct23427315
910568458
105123789
11298a640
1218711a5
1310a5238
149753ad
156b325e
hex4e2ecd

5123789 has 4 divisors (see below), whose sum is σ = 5589600. Its totient is φ = 4657980.

The previous prime is 5123777. The next prime is 5123791. The reversal of 5123789 is 9873215.

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 5123789 - 212 = 5119693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232889 + ... + 232910.

It is an arithmetic number, because the mean of its divisors is an integer number (1397400).

Almost surely, 25123789 is an apocalyptic number.

It is an amenable number.

5123789 is a deficient number, since it is larger than the sum of its proper divisors (465811).

5123789 is a wasteful number, since it uses less digits than its factorization.

5123789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465810.

The product of its digits is 15120, while the sum is 35.

The square root of 5123789 is about 2263.5788035763. The cubic root of 5123789 is about 172.3972811410.

The spelling of 5123789 in words is "five million, one hundred twenty-three thousand, seven hundred eighty-nine".

Divisors: 1 11 465799 5123789