Base | Representation |
---|---|
bin | 1011101111111… |
… | …1010010111011 |
3 | 10102201200201010 |
4 | 2323333102323 |
5 | 100103431222 |
6 | 4520125003 |
7 | 1135606005 |
oct | 273772273 |
9 | 112650633 |
10 | 49280187 |
11 | 258a9a30 |
12 | 14606763 |
13 | a295898 |
14 | 678b375 |
15 | 44d680c |
hex | 2eff4bb |
49280187 has 8 divisors (see below), whose sum is σ = 71680320. Its totient is φ = 29866760.
The previous prime is 49280159. The next prime is 49280201. The reversal of 49280187 is 78108294.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 49280187 - 26 = 49280123 is a prime.
It is not an unprimeable number, because it can be changed into a prime (49280117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746637 + ... + 746702.
It is an arithmetic number, because the mean of its divisors is an integer number (8960040).
Almost surely, 249280187 is an apocalyptic number.
49280187 is a deficient number, since it is larger than the sum of its proper divisors (22400133).
49280187 is a wasteful number, since it uses less digits than its factorization.
49280187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1493353.
The product of its (nonzero) digits is 32256, while the sum is 39.
The square root of 49280187 is about 7019.9848290434. The cubic root of 49280187 is about 366.6267219112.
The spelling of 49280187 in words is "forty-nine million, two hundred eighty thousand, one hundred eighty-seven".
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