Base | Representation |
---|---|
bin | 1011101011101… |
… | …1000111110101 |
3 | 10102012111122222 |
4 | 2322323013311 |
5 | 100021012244 |
6 | 4510132125 |
7 | 1133333624 |
oct | 272730765 |
9 | 112174588 |
10 | 49000949 |
11 | 25729158 |
12 | 144b1045 |
13 | a1c875a |
14 | 67176bb |
15 | 447dbee |
hex | 2ebb1f5 |
49000949 has 4 divisors (see below), whose sum is σ = 49019820. Its totient is φ = 48982080.
The previous prime is 49000937. The next prime is 49000957. The reversal of 49000949 is 94900094.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 19298449 + 29702500 = 4393^2 + 5450^2 .
It is a cyclic number.
It is not a de Polignac number, because 49000949 - 24 = 49000933 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49005949) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4772 + ... + 10989.
It is an arithmetic number, because the mean of its divisors is an integer number (12254955).
Almost surely, 249000949 is an apocalyptic number.
It is an amenable number.
49000949 is a deficient number, since it is larger than the sum of its proper divisors (18871).
49000949 is a wasteful number, since it uses less digits than its factorization.
49000949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18870.
The product of its (nonzero) digits is 11664, while the sum is 35.
The square root of 49000949 is about 7000.0677853861. The cubic root of 49000949 is about 365.9329333552.
The spelling of 49000949 in words is "forty-nine million, nine hundred forty-nine", and thus it is an aban number.
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