Base | Representation |
---|---|
bin | 1011110111010… |
… | …1111001010011 |
3 | 10110122101002010 |
4 | 2331311321103 |
5 | 100220002341 |
6 | 4534354003 |
7 | 1143001203 |
oct | 275657123 |
9 | 113571063 |
10 | 49765971 |
11 | 26100a02 |
12 | 147bb903 |
13 | a405a28 |
14 | 6876403 |
15 | 4580716 |
hex | 2f75e53 |
49765971 has 8 divisors (see below), whose sum is σ = 67194880. Its totient is φ = 32757192.
The previous prime is 49765957. The next prime is 49765973. The reversal of 49765971 is 17956794.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 49765971 - 25 = 49765939 is a prime.
It is the 7055-th Hogben number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 49765971.
It is not an unprimeable number, because it can be changed into a prime (49765973) by changing a digit.
It is a nontrivial repunit in base 7054.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104755 + ... + 105228.
It is an arithmetic number, because the mean of its divisors is an integer number (8399360).
Almost surely, 249765971 is an apocalyptic number.
49765971 is a deficient number, since it is larger than the sum of its proper divisors (17428909).
49765971 is a wasteful number, since it uses less digits than its factorization.
49765971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 210065.
The product of its digits is 476280, while the sum is 48.
The square root of 49765971 is about 7054.5000531576. The cubic root of 49765971 is about 367.8274706183.
The spelling of 49765971 in words is "forty-nine million, seven hundred sixty-five thousand, nine hundred seventy-one".
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