Base | Representation |
---|---|
bin | 1011111010110… |
… | …0001001110011 |
3 | 10111001122221020 |
4 | 2332230021303 |
5 | 100244110321 |
6 | 4543230523 |
7 | 1144615140 |
oct | 276541163 |
9 | 114048836 |
10 | 49988211 |
11 | 26242979 |
12 | 148a8443 |
13 | a482c30 |
14 | 68d33c7 |
15 | 45c64c6 |
hex | 2fac273 |
49988211 has 32 divisors (see below), whose sum is σ = 86865408. Its totient is φ = 24814080.
The previous prime is 49988209. The next prime is 49988243. The reversal of 49988211 is 11288994.
It is not a de Polignac number, because 49988211 - 21 = 49988209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (49988201) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 745 + ... + 10026.
It is an arithmetic number, because the mean of its divisors is an integer number (2714544).
Almost surely, 249988211 is an apocalyptic number.
49988211 is a deficient number, since it is larger than the sum of its proper divisors (36877197).
49988211 is a wasteful number, since it uses less digits than its factorization.
49988211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10811.
The product of its digits is 41472, while the sum is 42.
The square root of 49988211 is about 7070.2341545383. The cubic root of 49988211 is about 368.3741935566.
It can be divided in two parts, 4 and 9988211, that added together give a triangular number (9988215 = T4469).
The spelling of 49988211 in words is "forty-nine million, nine hundred eighty-eight thousand, two hundred eleven".
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