Base | Representation |
---|---|
bin | 1011111001111… |
… | …0001110010001 |
3 | 10110221202122222 |
4 | 2332132032101 |
5 | 100240244103 |
6 | 4542110425 |
7 | 1144256606 |
oct | 276361621 |
9 | 113852588 |
10 | 49931153 |
11 | 26204018 |
12 | 1487b415 |
13 | a462c7c |
14 | 68ba6ad |
15 | 45b4638 |
hex | 2f9e391 |
49931153 has 4 divisors (see below), whose sum is σ = 51149028. Its totient is φ = 48713280.
The previous prime is 49931149. The next prime is 49931191. The reversal of 49931153 is 35113994.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35113994 = 2 ⋅17556997.
It can be written as a sum of positive squares in 2 ways, for example, as 20857489 + 29073664 = 4567^2 + 5392^2 .
It is a cyclic number.
It is not a de Polignac number, because 49931153 - 22 = 49931149 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49931113) 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, 608876 + ... + 608957.
It is an arithmetic number, because the mean of its divisors is an integer number (12787257).
Almost surely, 249931153 is an apocalyptic number.
It is an amenable number.
49931153 is a deficient number, since it is larger than the sum of its proper divisors (1217875).
49931153 is a wasteful number, since it uses less digits than its factorization.
49931153 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1217874.
The product of its digits is 14580, while the sum is 35.
The square root of 49931153 is about 7066.1979168433. The cubic root of 49931153 is about 368.2339825181.
The spelling of 49931153 in words is "forty-nine million, nine hundred thirty-one thousand, one hundred fifty-three".
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