Base | Representation |
---|---|
bin | 1011111010101… |
… | …0101101010011 |
3 | 10111001100210222 |
4 | 2332222231103 |
5 | 100243413131 |
6 | 4543143255 |
7 | 1144561652 |
oct | 276525523 |
9 | 114040728 |
10 | 49982291 |
11 | 26239487 |
12 | 148a4b2b |
13 | a480328 |
14 | 68d1199 |
15 | 45c487b |
hex | 2faab53 |
49982291 has 4 divisors (see below), whose sum is σ = 51045792. Its totient is φ = 48918792.
The previous prime is 49982287. The next prime is 49982333. The reversal of 49982291 is 19228994.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19228994 = 2 ⋅9614497.
It is a cyclic number.
It is not a de Polignac number, because 49982291 - 22 = 49982287 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49982281) 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, 531680 + ... + 531773.
It is an arithmetic number, because the mean of its divisors is an integer number (12761448).
Almost surely, 249982291 is an apocalyptic number.
49982291 is a deficient number, since it is larger than the sum of its proper divisors (1063501).
49982291 is a wasteful number, since it uses less digits than its factorization.
49982291 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1063500.
The product of its digits is 93312, while the sum is 44.
The square root of 49982291 is about 7069.8154855696. The cubic root of 49982291 is about 368.3596510523.
The spelling of 49982291 in words is "forty-nine million, nine hundred eighty-two thousand, two hundred ninety-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •