Base | Representation |
---|---|
bin | 1011110011011… |
… | …0111110001110 |
3 | 10110011021112110 |
4 | 2330312332032 |
5 | 100133230423 |
6 | 4525044450 |
7 | 1140545613 |
oct | 274667616 |
9 | 113137473 |
10 | 49508238 |
11 | 25a452aa |
12 | 146b6726 |
13 | a345620 |
14 | 680a50a |
15 | 452e193 |
hex | 2f36f8e |
49508238 has 64 divisors (see below), whose sum is σ = 111004992. Its totient is φ = 14622720.
The previous prime is 49508237. The next prime is 49508287. The reversal of 49508238 is 83280594.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a junction number, because it is equal to n+sod(n) for n = 49508196 and 49508205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49508237) 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 31 ways as a sum of consecutive naturals, for example, 361306 + ... + 361442.
It is an arithmetic number, because the mean of its divisors is an integer number (1734453).
Almost surely, 249508238 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49508238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55502496).
49508238 is an abundant number, since it is smaller than the sum of its proper divisors (61496754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49508238 is a wasteful number, since it uses less digits than its factorization.
49508238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 309.
The product of its (nonzero) digits is 69120, while the sum is 39.
The square root of 49508238 is about 7036.2090645460. The cubic root of 49508238 is about 367.1913906924.
The spelling of 49508238 in words is "forty-nine million, five hundred eight thousand, two hundred thirty-eight".
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