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5129247 = 31709749
BaseRepresentation
bin10011100100010000011111
3100122121000010
4103210100133
52303113442
6301534303
761412034
oct23442037
910577003
105129247
112993752
121874393
1310a7876
1497738b
156b4b9c
hex4e441f

5129247 has 4 divisors (see below), whose sum is σ = 6839000. Its totient is φ = 3419496.

The previous prime is 5129227. The next prime is 5129249. The reversal of 5129247 is 7429215.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5129247 - 212 = 5125151 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 (5129249) 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, 854872 + ... + 854877.

It is an arithmetic number, because the mean of its divisors is an integer number (1709750).

Almost surely, 25129247 is an apocalyptic number.

5129247 is a deficient number, since it is larger than the sum of its proper divisors (1709753).

5129247 is a wasteful number, since it uses less digits than its factorization.

5129247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709752.

The product of its digits is 5040, while the sum is 30.

The square root of 5129247 is about 2264.7840956700. The cubic root of 5129247 is about 172.4584735159.

Subtracting 5129247 from its reverse (7429215), we obtain a cube (2299968 = 1323).

The spelling of 5129247 in words is "five million, one hundred twenty-nine thousand, two hundred forty-seven".

Divisors: 1 3 1709749 5129247