Base | Representation |
---|---|
bin | 1011111010000… |
… | …0001010010001 |
3 | 10110222011112220 |
4 | 2332200022101 |
5 | 100241022324 |
6 | 4542211253 |
7 | 1144322004 |
oct | 276401221 |
9 | 113864486 |
10 | 49939089 |
11 | 26209a82 |
12 | 14883b29 |
13 | a466775 |
14 | 68bd53b |
15 | 45b6b79 |
hex | 2fa0291 |
49939089 has 8 divisors (see below), whose sum is σ = 66704352. Its totient is φ = 33233280.
The previous prime is 49939069. The next prime is 49939093. The reversal of 49939089 is 98093994.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 49939089 - 27 = 49938961 is a prime.
It is a super-2 number, since 2×499390892 = 4987825220299842, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (49939009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12864 + ... + 16289.
It is an arithmetic number, because the mean of its divisors is an integer number (8338044).
Almost surely, 249939089 is an apocalyptic number.
It is an amenable number.
49939089 is a deficient number, since it is larger than the sum of its proper divisors (16765263).
49939089 is a wasteful number, since it uses less digits than its factorization.
49939089 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29727.
The product of its (nonzero) digits is 629856, while the sum is 51.
The square root of 49939089 is about 7066.7594412149. The cubic root of 49939089 is about 368.2534903798.
The spelling of 49939089 in words is "forty-nine million, nine hundred thirty-nine thousand, eighty-nine".
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