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5147831 = 13439209
BaseRepresentation
bin10011101000110010110111
3100200112111102
4103220302313
52304212311
6302200315
761520153
oct23506267
910615442
105147831
1129a6707
12188309b
1310b3170
14980063
156ba43b
hex4e8cb7

5147831 has 8 divisors (see below), whose sum is σ = 5673360. Its totient is φ = 4640832.

The previous prime is 5147827. The next prime is 5147839. The reversal of 5147831 is 1387415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5147831 - 22 = 5147827 is a prime.

It is a super-2 number, since 2×51478312 = 53000328009122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5147794 and 5147803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5147839) 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 7 ways as a sum of consecutive naturals, for example, 4046 + ... + 5163.

It is an arithmetic number, because the mean of its divisors is an integer number (709170).

Almost surely, 25147831 is an apocalyptic number.

5147831 is a deficient number, since it is larger than the sum of its proper divisors (525529).

5147831 is a wasteful number, since it uses less digits than its factorization.

5147831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9265.

The product of its digits is 3360, while the sum is 29.

The square root of 5147831 is about 2268.8832054559. The cubic root of 5147831 is about 172.6665030997. Note that the first 3 decimals are identical.

The spelling of 5147831 in words is "five million, one hundred forty-seven thousand, eight hundred thirty-one".

Divisors: 1 13 43 559 9209 119717 395987 5147831