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5131129 = 7964951
BaseRepresentation
bin10011100100101101111001
3100122200120211
4103210231321
52303144004
6301551121
761420363
oct23445571
910580524
105131129
112995103
1218754a1
1310a8693
14977d33
156b5504
hex4e4b79

5131129 has 4 divisors (see below), whose sum is σ = 5196160. Its totient is φ = 5066100.

The previous prime is 5131111. The next prime is 5131141. The reversal of 5131129 is 9211315.

5131129 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, and also an emirpimes, since its reverse is a distinct semiprime: 9211315 = 51842263.

It is a cyclic number.

It is not a de Polignac number, because 5131129 - 211 = 5129081 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5131199) 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, 32397 + ... + 32554.

It is an arithmetic number, because the mean of its divisors is an integer number (1299040).

Almost surely, 25131129 is an apocalyptic number.

It is an amenable number.

5131129 is a deficient number, since it is larger than the sum of its proper divisors (65031).

5131129 is an equidigital number, since it uses as much as digits as its factorization.

5131129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65030.

The product of its digits is 270, while the sum is 22.

The square root of 5131129 is about 2265.1995497086. The cubic root of 5131129 is about 172.4795634965.

The spelling of 5131129 in words is "five million, one hundred thirty-one thousand, one hundred twenty-nine".

Divisors: 1 79 64951 5131129