Base | Representation |
---|---|
bin | 1011101111010… |
… | …1101100111010 |
3 | 10102122200210200 |
4 | 2323311230322 |
5 | 100101202030 |
6 | 4515223030 |
7 | 1135353306 |
oct | 273655472 |
9 | 112580720 |
10 | 49240890 |
11 | 25882456 |
12 | 145a7a76 |
13 | a280a2a |
14 | 677ad06 |
15 | 44c9d60 |
hex | 2ef5b3a |
49240890 has 24 divisors (see below), whose sum is σ = 128026548. Its totient is φ = 13130880.
The previous prime is 49240883. The next prime is 49240897. The reversal of 49240890 is 9804294.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (49240883) and next prime (49240897).
It can be written as a sum of positive squares in 2 ways, for example, as 49238289 + 2601 = 7017^2 + 51^2 .
It is not an unprimeable number, because it can be changed into a prime (49240897) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273471 + ... + 273650.
Almost surely, 249240890 is an apocalyptic number.
49240890 is an abundant number, since it is smaller than the sum of its proper divisors (78785658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49240890 is a wasteful number, since it uses less digits than its factorization.
49240890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 547134 (or 547131 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 49240890 is about 7017.1853331660. The cubic root of 49240890 is about 366.5292441862.
The spelling of 49240890 in words is "forty-nine million, two hundred forty thousand, eight hundred ninety".
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