Base | Representation |
---|---|
bin | 1011111101010… |
… | …0100111011101 |
3 | 10111101002021200 |
4 | 2333110213131 |
5 | 100314411244 |
6 | 4550550113 |
7 | 1146205266 |
oct | 277244735 |
9 | 114332250 |
10 | 50153949 |
11 | 2634644a |
12 | 14968339 |
13 | a5104c1 |
14 | 693796d |
15 | 460a669 |
hex | 2fd49dd |
50153949 has 12 divisors (see below), whose sum is σ = 72758556. Its totient is φ = 33291072.
The previous prime is 50153921. The next prime is 50153969. The reversal of 50153949 is 94935105.
It can be written as a sum of positive squares in 2 ways, for example, as 19980900 + 30173049 = 4470^2 + 5493^2 .
It is not a de Polignac number, because 50153949 - 211 = 50151901 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50153969) 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 11 ways as a sum of consecutive naturals, for example, 9862 + ... + 14055.
It is an arithmetic number, because the mean of its divisors is an integer number (6063213).
Almost surely, 250153949 is an apocalyptic number.
It is an amenable number.
50153949 is a deficient number, since it is larger than the sum of its proper divisors (22604607).
50153949 is a wasteful number, since it uses less digits than its factorization.
50153949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24156 (or 24153 counting only the distinct ones).
The product of its (nonzero) digits is 24300, while the sum is 36.
The square root of 50153949 is about 7081.9452836068. The cubic root of 50153949 is about 368.7808644471.
The spelling of 50153949 in words is "fifty million, one hundred fifty-three thousand, nine hundred forty-nine".
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