Base | Representation |
---|---|
bin | 1011110110011… |
… | …1111111110100 |
3 | 10110112110222201 |
4 | 2331213333310 |
5 | 100211142134 |
6 | 4533234244 |
7 | 1142343220 |
oct | 275477764 |
9 | 113473881 |
10 | 49709044 |
11 | 26072160 |
12 | 14792984 |
13 | a3b5b48 |
14 | 685d780 |
15 | 456d914 |
hex | 2f67ff4 |
49709044 has 48 divisors (see below), whose sum is σ = 109057536. Its totient is φ = 19260000.
The previous prime is 49709021. The next prime is 49709047. The reversal of 49709044 is 44090794.
It is a junction number, because it is equal to n+sod(n) for n = 49708994 and 49709012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49709047) 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, 76987 + ... + 77629.
It is an arithmetic number, because the mean of its divisors is an integer number (2272032).
Almost surely, 249709044 is an apocalyptic number.
49709044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49709044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54528768).
49709044 is an abundant number, since it is smaller than the sum of its proper divisors (59348492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49709044 is a wasteful number, since it uses less digits than its factorization.
49709044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 916 (or 914 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 37.
The square root of 49709044 is about 7050.4640981995. The cubic root of 49709044 is about 367.6871652169.
The spelling of 49709044 in words is "forty-nine million, seven hundred nine thousand, forty-four".
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