Base | Representation |
---|---|
bin | 1011110001101… |
… | …0010110001100 |
3 | 10102221022200212 |
4 | 2330122112030 |
5 | 100121002423 |
6 | 4522341552 |
7 | 1136550023 |
oct | 274322614 |
9 | 112838625 |
10 | 49390988 |
11 | 259751a9 |
12 | 1465a8b8 |
13 | a30414a |
14 | 67b98ba |
15 | 4509578 |
hex | 2f1a58c |
49390988 has 12 divisors (see below), whose sum is σ = 86624160. Its totient is φ = 24641232.
The previous prime is 49390987. The next prime is 49391003. The reversal of 49390988 is 88909394.
49390988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×493909882 = 4878939391232288, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (49390987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11483 + ... + 15186.
It is an arithmetic number, because the mean of its divisors is an integer number (7218680).
Almost surely, 249390988 is an apocalyptic number.
It is an amenable number.
49390988 is a deficient number, since it is larger than the sum of its proper divisors (37233172).
49390988 is a wasteful number, since it uses less digits than its factorization.
49390988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27136 (or 27134 counting only the distinct ones).
The product of its (nonzero) digits is 559872, while the sum is 50.
The square root of 49390988 is about 7027.8722242226. The cubic root of 49390988 is about 366.9012893234.
The spelling of 49390988 in words is "forty-nine million, three hundred ninety thousand, nine hundred eighty-eight".
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