Base | Representation |
---|---|
bin | 1011111001100… |
… | …0010001110001 |
3 | 10110220112021001 |
4 | 2332120101301 |
5 | 100234004201 |
6 | 4541402001 |
7 | 1144125610 |
oct | 276302161 |
9 | 113815231 |
10 | 49906801 |
11 | 2619779a |
12 | 14869301 |
13 | a454b69 |
14 | 68b1877 |
15 | 45ac301 |
hex | 2f98471 |
49906801 has 4 divisors (see below), whose sum is σ = 57036352. Its totient is φ = 42777252.
The previous prime is 49906793. The next prime is 49906817. The reversal of 49906801 is 10860994.
49906801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 49906801 - 23 = 49906793 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49906501) 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 3 ways as a sum of consecutive naturals, for example, 3564765 + ... + 3564778.
It is an arithmetic number, because the mean of its divisors is an integer number (14259088).
Almost surely, 249906801 is an apocalyptic number.
It is an amenable number.
49906801 is a deficient number, since it is larger than the sum of its proper divisors (7129551).
49906801 is an equidigital number, since it uses as much as digits as its factorization.
49906801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7129550.
The product of its (nonzero) digits is 15552, while the sum is 37.
The square root of 49906801 is about 7064.4745735263. The cubic root of 49906801 is about 368.1741087946.
The spelling of 49906801 in words is "forty-nine million, nine hundred six thousand, eight hundred one".
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