Base | Representation |
---|---|
bin | 1011110001010… |
… | …1101101000010 |
3 | 10102220100121111 |
4 | 2330111231002 |
5 | 100114400340 |
6 | 4522113534 |
7 | 1136440414 |
oct | 274255502 |
9 | 112810544 |
10 | 49371970 |
11 | 2596198a |
12 | 1464b8aa |
13 | a2c85ab |
14 | 67b29b4 |
15 | 4503aea |
hex | 2f15b42 |
49371970 has 8 divisors (see below), whose sum is σ = 88869564. Its totient is φ = 19748784.
The previous prime is 49371941. The next prime is 49371979. The reversal of 49371970 is 7917394.
49371970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 45279441 + 4092529 = 6729^2 + 2023^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (49371979) 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, 2468589 + ... + 2468608.
Almost surely, 249371970 is an apocalyptic number.
49371970 is a deficient number, since it is larger than the sum of its proper divisors (39497594).
49371970 is a wasteful number, since it uses less digits than its factorization.
49371970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4937204.
The product of its (nonzero) digits is 47628, while the sum is 40.
The square root of 49371970 is about 7026.5190528454. The cubic root of 49371970 is about 366.8541914972.
The spelling of 49371970 in words is "forty-nine million, three hundred seventy-one thousand, nine hundred seventy".
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