Base | Representation |
---|---|
bin | 1011110001011… |
… | …1111011111011 |
3 | 10102220211011012 |
4 | 2330113323323 |
5 | 100120143430 |
6 | 4522224135 |
7 | 1136506160 |
oct | 274277373 |
9 | 112824135 |
10 | 49381115 |
11 | 25968843 |
12 | 1465504b |
13 | a2cc7c4 |
14 | 67b6067 |
15 | 4506695 |
hex | 2f17efb |
49381115 has 16 divisors (see below), whose sum is σ = 70668288. Its totient is φ = 32388576.
The previous prime is 49381103. The next prime is 49381117. The reversal of 49381115 is 51118394.
It is a cyclic number.
It is not a de Polignac number, because 49381115 - 224 = 32603899 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49381117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29867 + ... + 31476.
It is an arithmetic number, because the mean of its divisors is an integer number (4416768).
Almost surely, 249381115 is an apocalyptic number.
49381115 is a deficient number, since it is larger than the sum of its proper divisors (21287173).
49381115 is a wasteful number, since it uses less digits than its factorization.
49381115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61378.
The product of its digits is 4320, while the sum is 32.
The square root of 49381115 is about 7027.1697716791. The cubic root of 49381115 is about 366.8768404784.
The spelling of 49381115 in words is "forty-nine million, three hundred eighty-one thousand, one hundred fifteen".
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