Base | Representation |
---|---|
bin | 1011100011111… |
… | …0001111010111 |
3 | 10101020111222212 |
4 | 2320332033113 |
5 | 44403130211 |
6 | 4451144035 |
7 | 1126103414 |
oct | 270761727 |
9 | 111214885 |
10 | 48489431 |
11 | 25409911 |
12 | 142a501b |
13 | a079993 |
14 | 662310b |
15 | 43cc38b |
hex | 2e3e3d7 |
48489431 has 4 divisors (see below), whose sum is σ = 48551832. Its totient is φ = 48427032.
The previous prime is 48489409. The next prime is 48489437. The reversal of 48489431 is 13498484.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-48489431 is a prime.
It is a super-2 number, since 2×484894312 = 4702449837407522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48489437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30020 + ... + 31593.
It is an arithmetic number, because the mean of its divisors is an integer number (12137958).
Almost surely, 248489431 is an apocalyptic number.
48489431 is a deficient number, since it is larger than the sum of its proper divisors (62401).
48489431 is an equidigital number, since it uses as much as digits as its factorization.
48489431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62400.
The product of its digits is 110592, while the sum is 41.
The square root of 48489431 is about 6963.4352872702. The cubic root of 48489431 is about 364.6551593896.
The spelling of 48489431 in words is "forty-eight million, four hundred eighty-nine thousand, four hundred thirty-one".
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