Base | Representation |
---|---|
bin | 1011100100101… |
… | …0001100111111 |
3 | 10101100000012200 |
4 | 2321022030333 |
5 | 44411212211 |
6 | 4452202543 |
7 | 1126366314 |
oct | 271121477 |
9 | 111300180 |
10 | 48538431 |
11 | 25442707 |
12 | 14309453 |
13 | a096086 |
14 | 6636d0b |
15 | 43dbb56 |
hex | 2e4a33f |
48538431 has 12 divisors (see below), whose sum is σ = 72529080. Its totient is φ = 31242960.
The previous prime is 48538429. The next prime is 48538439. The reversal of 48538431 is 13483584.
It is not a de Polignac number, because 48538431 - 21 = 48538429 is a prime.
It is a super-2 number, since 2×485384312 = 4711958567883522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48538439) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92725 + ... + 93246.
It is an arithmetic number, because the mean of its divisors is an integer number (6044090).
Almost surely, 248538431 is an apocalyptic number.
48538431 is a deficient number, since it is larger than the sum of its proper divisors (23990649).
48538431 is a wasteful number, since it uses less digits than its factorization.
48538431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 186006 (or 186003 counting only the distinct ones).
The product of its digits is 46080, while the sum is 36.
The square root of 48538431 is about 6966.9527772190. The cubic root of 48538431 is about 364.7779496353. Note that the first 3 decimals are identical.
The spelling of 48538431 in words is "forty-eight million, five hundred thirty-eight thousand, four hundred thirty-one".
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