Base | Representation |
---|---|
bin | 1011101100111… |
… | …0110001101001 |
3 | 10102100121002110 |
4 | 2323032301221 |
5 | 100031101244 |
6 | 4511552533 |
7 | 1134120414 |
oct | 273166151 |
9 | 112317073 |
10 | 49081449 |
11 | 2578368a |
12 | 1452b749 |
13 | a2262a1 |
14 | 6738b7b |
15 | 44979b9 |
hex | 2ecec69 |
49081449 has 4 divisors (see below), whose sum is σ = 65441936. Its totient is φ = 32720964.
The previous prime is 49081441. The next prime is 49081511. The reversal of 49081449 is 94418094.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 49081449 - 23 = 49081441 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (49081441) 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, 8180239 + ... + 8180244.
It is an arithmetic number, because the mean of its divisors is an integer number (16360484).
Almost surely, 249081449 is an apocalyptic number.
It is an amenable number.
49081449 is a deficient number, since it is larger than the sum of its proper divisors (16360487).
49081449 is a wasteful number, since it uses less digits than its factorization.
49081449 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16360486.
The product of its (nonzero) digits is 41472, while the sum is 39.
The square root of 49081449 is about 7005.8153701050. The cubic root of 49081449 is about 366.1332116845.
The spelling of 49081449 in words is "forty-nine million, eighty-one thousand, four hundred forty-nine".
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