Base | Representation |
---|---|
bin | 1011111001111… |
… | …1111010101011 |
3 | 10110222010011221 |
4 | 2332133322223 |
5 | 100241004331 |
6 | 4542202511 |
7 | 1144316050 |
oct | 276377253 |
9 | 113863157 |
10 | 49938091 |
11 | 26209255 |
12 | 14883437 |
13 | a466188 |
14 | 68bd027 |
15 | 45b6711 |
hex | 2f9feab |
49938091 has 8 divisors (see below), whose sum is σ = 57152480. Its totient is φ = 42743808.
The previous prime is 49938079. The next prime is 49938101. The reversal of 49938091 is 19083994.
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 49938091 - 27 = 49937963 is a prime.
It is not an unprimeable number, because it can be changed into a prime (49938001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745 + ... + 10021.
It is an arithmetic number, because the mean of its divisors is an integer number (7144060).
Almost surely, 249938091 is an apocalyptic number.
49938091 is a deficient number, since it is larger than the sum of its proper divisors (7214389).
49938091 is an equidigital number, since it uses as much as digits as its factorization.
49938091 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10053.
The product of its (nonzero) digits is 69984, while the sum is 43.
The square root of 49938091 is about 7066.6888285816. The cubic root of 49938091 is about 368.2510372618.
The spelling of 49938091 in words is "forty-nine million, nine hundred thirty-eight thousand, ninety-one".
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