Base | Representation |
---|---|
bin | 1011100100100… |
… | …0100111011011 |
3 | 10101022200021221 |
4 | 2321020213123 |
5 | 44411010211 |
6 | 4452112511 |
7 | 1126341340 |
oct | 271104733 |
9 | 111280257 |
10 | 48531931 |
11 | 25438838 |
12 | 14305737 |
13 | a093126 |
14 | 66347c7 |
15 | 43d9c71 |
hex | 2e489db |
48531931 has 8 divisors (see below), whose sum is σ = 55551744. Its totient is φ = 41533800.
The previous prime is 48531887. The next prime is 48531937. The reversal of 48531931 is 13913584.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 48531931 - 29 = 48531419 is a prime.
It is a super-2 number, since 2×485319312 = 4710696653177522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (48531937) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295 + ... + 9856.
It is an arithmetic number, because the mean of its divisors is an integer number (6943968).
Almost surely, 248531931 is an apocalyptic number.
48531931 is a deficient number, since it is larger than the sum of its proper divisors (7019813).
48531931 is a wasteful number, since it uses less digits than its factorization.
48531931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10841.
The product of its digits is 12960, while the sum is 34.
The square root of 48531931 is about 6966.4862735815. The cubic root of 48531931 is about 364.7616658888.
The spelling of 48531931 in words is "forty-eight million, five hundred thirty-one thousand, nine hundred thirty-one".
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