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5129013 = 31709671
BaseRepresentation
bin10011100100001100110101
3100122120200110
4103210030311
52303112023
6301533233
761411251
oct23441465
910576613
105129013
11299355a
121874219
1310a7726
14977261
156b4a93
hex4e4335

5129013 has 4 divisors (see below), whose sum is σ = 6838688. Its totient is φ = 3419340.

The previous prime is 5129011. The next prime is 5129021. The reversal of 5129013 is 3109215.

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 5129013 - 21 = 5129011 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5129011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854833 + ... + 854838.

It is an arithmetic number, because the mean of its divisors is an integer number (1709672).

Almost surely, 25129013 is an apocalyptic number.

It is an amenable number.

5129013 is a deficient number, since it is larger than the sum of its proper divisors (1709675).

5129013 is a wasteful number, since it uses less digits than its factorization.

5129013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709674.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 5129013 is about 2264.7324345273. The cubic root of 5129013 is about 172.4558509154.

The spelling of 5129013 in words is "five million, one hundred twenty-nine thousand, thirteen".

Divisors: 1 3 1709671 5129013