Base | Representation |
---|---|
bin | 1011110000010… |
… | …1100101111011 |
3 | 10102210000002101 |
4 | 2330011211323 |
5 | 100110242404 |
6 | 4520444231 |
7 | 1136044132 |
oct | 274054573 |
9 | 112700071 |
10 | 49305979 |
11 | 25917348 |
12 | 14619677 |
13 | a2a4548 |
14 | 6796919 |
15 | 44de2a4 |
hex | 2f0597b |
49305979 has 4 divisors (see below), whose sum is σ = 49320040. Its totient is φ = 49291920.
The previous prime is 49305947. The next prime is 49305983. The reversal of 49305979 is 97950394.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 49305979 - 25 = 49305947 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49305479) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3007 + ... + 10375.
It is an arithmetic number, because the mean of its divisors is an integer number (12330010).
Almost surely, 249305979 is an apocalyptic number.
49305979 is a deficient number, since it is larger than the sum of its proper divisors (14061).
49305979 is an equidigital number, since it uses as much as digits as its factorization.
49305979 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14060.
The product of its (nonzero) digits is 306180, while the sum is 46.
The square root of 49305979 is about 7021.8216297482. The cubic root of 49305979 is about 366.6906717984.
The spelling of 49305979 in words is "forty-nine million, three hundred five thousand, nine hundred seventy-nine".
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