Base | Representation |
---|---|
bin | 10011111000101000111011 |
3 | 100210211112010 |
4 | 103320220323 |
5 | 2313301411 |
6 | 303421003 |
7 | 62210316 |
oct | 23705073 |
9 | 10724463 |
10 | 5212731 |
11 | 2a40447 |
12 | 18b4763 |
13 | 1106874 |
14 | 99997d |
15 | 6ce7a6 |
hex | 4f8a3b |
5212731 has 8 divisors (see below), whose sum is σ = 6978384. Its totient is φ = 3461120.
The previous prime is 5212729. The next prime is 5212733. The reversal of 5212731 is 1372125.
It is an interprime number because it is at equal distance from previous prime (5212729) and next prime (5212733).
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 5212731 - 21 = 5212729 is a prime.
It is a super-2 number, since 2×52127312 = 54345128956722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 5212698 and 5212707.
It is not an unprimeable number, because it can be changed into a prime (5212733) 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, 2610 + ... + 4151.
It is an arithmetic number, because the mean of its divisors is an integer number (872298).
Almost surely, 25212731 is an apocalyptic number.
5212731 is a deficient number, since it is larger than the sum of its proper divisors (1765653).
5212731 is a wasteful number, since it uses less digits than its factorization.
5212731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7021.
The product of its digits is 420, while the sum is 21.
The square root of 5212731 is about 2283.1406001383. The cubic root of 5212731 is about 173.3890916113.
Adding to 5212731 its reverse (1372125), we get a palindrome (6584856).
Subtracting from 5212731 its reverse (1372125), we obtain a triangular number (3840606 = T2771).
The spelling of 5212731 in words is "five million, two hundred twelve thousand, seven hundred thirty-one".
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