Base | Representation |
---|---|
bin | 1011111000101… |
… | …1100001000011 |
3 | 10110210212120010 |
4 | 2332023201003 |
5 | 100230321111 |
6 | 4540320003 |
7 | 1143520326 |
oct | 276134103 |
9 | 113725503 |
10 | 49854531 |
11 | 261614a1 |
12 | 14843003 |
13 | a43712c |
14 | 689a7bd |
15 | 459baa6 |
hex | 2f8b843 |
49854531 has 16 divisors (see below), whose sum is σ = 67584384. Its totient is φ = 32684544.
The previous prime is 49854527. The next prime is 49854533. The reversal of 49854531 is 13545894.
49854531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 49854531 - 22 = 49854527 is a prime.
It is a super-2 number, since 2×498545312 = 4970948522459922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 49854531.
It is not an unprimeable number, because it can be changed into a prime (49854533) 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 15 ways as a sum of consecutive naturals, for example, 86115 + ... + 86691.
It is an arithmetic number, because the mean of its divisors is an integer number (4224024).
Almost surely, 249854531 is an apocalyptic number.
49854531 is a deficient number, since it is larger than the sum of its proper divisors (17729853).
49854531 is a wasteful number, since it uses less digits than its factorization.
49854531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1010.
The product of its digits is 86400, while the sum is 39.
The square root of 49854531 is about 7060.7741077024. The cubic root of 49854531 is about 368.0455279014.
The spelling of 49854531 in words is "forty-nine million, eight hundred fifty-four thousand, five hundred thirty-one".
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