Base | Representation |
---|---|
bin | 1011101011110… |
… | …0111010011111 |
3 | 10102012212201202 |
4 | 2322330322133 |
5 | 100021231122 |
6 | 4510230115 |
7 | 1133364206 |
oct | 272747237 |
9 | 112185652 |
10 | 49008287 |
11 | 25733719 |
12 | 144b533b |
13 | a1cbbb3 |
14 | 671a23d |
15 | 4480e92 |
hex | 2ebce9f |
49008287 has 4 divisors (see below), whose sum is σ = 49107000. Its totient is φ = 48909576.
The previous prime is 49008283. The next prime is 49008293. The reversal of 49008287 is 78280094.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 49008287 - 22 = 49008283 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 49008287.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49008283) 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, 48608 + ... + 49605.
It is an arithmetic number, because the mean of its divisors is an integer number (12276750).
Almost surely, 249008287 is an apocalyptic number.
49008287 is a deficient number, since it is larger than the sum of its proper divisors (98713).
49008287 is an equidigital number, since it uses as much as digits as its factorization.
49008287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98712.
The product of its (nonzero) digits is 32256, while the sum is 38.
The square root of 49008287 is about 7000.5919035464. The cubic root of 49008287 is about 365.9511988642.
The spelling of 49008287 in words is "forty-nine million, eight thousand, two hundred eighty-seven".
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