Base | Representation |
---|---|
bin | 1011111000011… |
… | …1101101000111 |
3 | 10110210002010220 |
4 | 2332013231013 |
5 | 100224321134 |
6 | 4540115423 |
7 | 1143423654 |
oct | 276075507 |
9 | 113702126 |
10 | 49838919 |
11 | 26150799 |
12 | 14835b73 |
13 | a42ccb0 |
14 | 6894c2b |
15 | 4597149 |
hex | 2f87b47 |
49838919 has 32 divisors (see below), whose sum is σ = 76177920. Its totient is φ = 28729728.
The previous prime is 49838911. The next prime is 49838959. The reversal of 49838919 is 91983894.
It is a happy number.
It is not a de Polignac number, because 49838919 - 23 = 49838911 is a prime.
It is a super-2 number, since 2×498389192 = 4967835694177122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49838911) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75997 + ... + 76649.
It is an arithmetic number, because the mean of its divisors is an integer number (2380560).
Almost surely, 249838919 is an apocalyptic number.
49838919 is a deficient number, since it is larger than the sum of its proper divisors (26339001).
49838919 is a wasteful number, since it uses less digits than its factorization.
49838919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 791.
The product of its digits is 559872, while the sum is 51.
The square root of 49838919 is about 7059.6684766354. The cubic root of 49838919 is about 368.0071059395.
The spelling of 49838919 in words is "forty-nine million, eight hundred thirty-eight thousand, nine hundred nineteen".
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