Base | Representation |
---|---|
bin | 1011110011110… |
… | …0010101001011 |
3 | 10110012101122101 |
4 | 2330330111023 |
5 | 100134431222 |
6 | 4525334231 |
7 | 1140666610 |
oct | 274742513 |
9 | 113171571 |
10 | 49530187 |
11 | 25a5a843 |
12 | 14707377 |
13 | a352605 |
14 | 6814507 |
15 | 4535927 |
hex | 2f3c54b |
49530187 has 4 divisors (see below), whose sum is σ = 56605936. Its totient is φ = 42454440.
The previous prime is 49530179. The next prime is 49530199. The reversal of 49530187 is 78103594.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 49530187 - 23 = 49530179 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49531187) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3537864 + ... + 3537877.
It is an arithmetic number, because the mean of its divisors is an integer number (14151484).
Almost surely, 249530187 is an apocalyptic number.
49530187 is a deficient number, since it is larger than the sum of its proper divisors (7075749).
49530187 is an equidigital number, since it uses as much as digits as its factorization.
49530187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7075748.
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 49530187 is about 7037.7686094386. The cubic root of 49530187 is about 367.2456462630.
The spelling of 49530187 in words is "forty-nine million, five hundred thirty thousand, one hundred eighty-seven".
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