Base | Representation |
---|---|
bin | 1011111010011… |
… | …1110001110001 |
3 | 10111000202100110 |
4 | 2332213301301 |
5 | 100243022124 |
6 | 4543011533 |
7 | 1144511655 |
oct | 276476161 |
9 | 114022313 |
10 | 49970289 |
11 | 26230466 |
12 | 14899ba9 |
13 | a477a25 |
14 | 68caa65 |
15 | 45c1029 |
hex | 2fa7c71 |
49970289 has 8 divisors (see below), whose sum is σ = 66707712. Its totient is φ = 33273200.
The previous prime is 49970273. The next prime is 49970311. The reversal of 49970289 is 98207994.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 49970289 - 24 = 49970273 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (49970269) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7062 + ... + 12239.
It is an arithmetic number, because the mean of its divisors is an integer number (8338464).
Almost surely, 249970289 is an apocalyptic number.
It is an amenable number.
49970289 is a deficient number, since it is larger than the sum of its proper divisors (16737423).
49970289 is a wasteful number, since it uses less digits than its factorization.
49970289 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20167.
The product of its (nonzero) digits is 326592, while the sum is 48.
The square root of 49970289 is about 7068.9666147182. The cubic root of 49970289 is about 368.3301645658.
The spelling of 49970289 in words is "forty-nine million, nine hundred seventy thousand, two hundred eighty-nine".
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