Base | Representation |
---|---|
bin | 1011101101110… |
… | …1110001000001 |
3 | 10102110201022112 |
4 | 2323131301001 |
5 | 100040032344 |
6 | 4513145105 |
7 | 1134464420 |
oct | 273356101 |
9 | 112421275 |
10 | 49142849 |
11 | 25815828 |
12 | 1455b195 |
13 | a248212 |
14 | 67532b7 |
15 | 44aac9e |
hex | 2eddc41 |
49142849 has 8 divisors (see below), whose sum is σ = 58100160. Its totient is φ = 40669776.
The previous prime is 49142837. The next prime is 49142857. The reversal of 49142849 is 94824194.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 49142849 - 24 = 49142833 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49142809) 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, 120839 + ... + 121244.
It is an arithmetic number, because the mean of its divisors is an integer number (7262520).
Almost surely, 249142849 is an apocalyptic number.
It is an amenable number.
49142849 is a deficient number, since it is larger than the sum of its proper divisors (8957311).
49142849 is a wasteful number, since it uses less digits than its factorization.
49142849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242119.
The product of its digits is 82944, while the sum is 41.
The square root of 49142849 is about 7010.1960742906. The cubic root of 49142849 is about 366.2858233936.
It can be divided in two parts, 4914 and 2849, that multiplied together give a triangular number (13999986 = T5291).
The spelling of 49142849 in words is "forty-nine million, one hundred forty-two thousand, eight hundred forty-nine".
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