Base | Representation |
---|---|
bin | 1011111010101… |
… | …0001011011011 |
3 | 10111001020211200 |
4 | 2332222023123 |
5 | 100243330443 |
6 | 4543125243 |
7 | 1144552434 |
oct | 276521333 |
9 | 114036750 |
10 | 49980123 |
11 | 26237896 |
12 | 148a3823 |
13 | a47c34b |
14 | 68d048b |
15 | 45c3dd3 |
hex | 2faa2db |
49980123 has 12 divisors (see below), whose sum is σ = 72939048. Its totient is φ = 32976000.
The previous prime is 49980121. The next prime is 49980143. The reversal of 49980123 is 32108994.
It is not a de Polignac number, because 49980123 - 21 = 49980121 is a prime.
It is not an unprimeable number, because it can be changed into a prime (49980121) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27753 + ... + 29498.
It is an arithmetic number, because the mean of its divisors is an integer number (6078254).
Almost surely, 249980123 is an apocalyptic number.
49980123 is a deficient number, since it is larger than the sum of its proper divisors (22958925).
49980123 is a wasteful number, since it uses less digits than its factorization.
49980123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57354 (or 57351 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 49980123 is about 7069.6621560015. The cubic root of 49980123 is about 368.3543250641.
The spelling of 49980123 in words is "forty-nine million, nine hundred eighty thousand, one hundred twenty-three".
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