Base | Representation |
---|---|
bin | 1011101100010… |
… | …0101001111001 |
3 | 10102021111020001 |
4 | 2323010221321 |
5 | 100023234433 |
6 | 4511033001 |
7 | 1133555512 |
oct | 273045171 |
9 | 112244201 |
10 | 49039993 |
11 | 25755522 |
12 | 1450b761 |
13 | a210462 |
14 | 6727a09 |
15 | 448a57d |
hex | 2ec4a79 |
49039993 has 2 divisors, whose sum is σ = 49039994. Its totient is φ = 49039992.
The previous prime is 49039973. The next prime is 49040003. The reversal of 49039993 is 39993094.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 34539129 + 14500864 = 5877^2 + 3808^2 .
It is a cyclic number.
It is not a de Polignac number, because 49039993 - 217 = 48908921 is a prime.
It is not a weakly prime, because it can be changed into another prime (49039943) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24519996 + 24519997.
It is an arithmetic number, because the mean of its divisors is an integer number (24519997).
Almost surely, 249039993 is an apocalyptic number.
It is an amenable number.
49039993 is a deficient number, since it is larger than the sum of its proper divisors (1).
49039993 is an equidigital number, since it uses as much as digits as its factorization.
49039993 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 236196, while the sum is 46.
The square root of 49039993 is about 7002.8560602086. The cubic root of 49039993 is about 366.0300994486.
The spelling of 49039993 in words is "forty-nine million, thirty-nine thousand, nine hundred ninety-three".
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