Base | Representation |
---|---|
bin | 1011110010100… |
… | …1001010100000 |
3 | 10110001101221201 |
4 | 2330221022200 |
5 | 100124423210 |
6 | 4523530544 |
7 | 1140221665 |
oct | 274511240 |
9 | 113041851 |
10 | 49451680 |
11 | 25a06863 |
12 | 14689a54 |
13 | a325965 |
14 | 67d3a6c |
15 | 451c53a |
hex | 2f292a0 |
49451680 has 48 divisors (see below), whose sum is σ = 122986080. Its totient is φ = 18738432.
The previous prime is 49451671. The next prime is 49451681. The reversal of 49451680 is 8615494.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (49451681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5094 + ... + 11173.
It is an arithmetic number, because the mean of its divisors is an integer number (2562210).
Almost surely, 249451680 is an apocalyptic number.
49451680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
49451680 is an abundant number, since it is smaller than the sum of its proper divisors (73534400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49451680 is a wasteful number, since it uses less digits than its factorization.
49451680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16301 (or 16293 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 37.
The square root of 49451680 is about 7032.1888484312. The cubic root of 49451680 is about 367.0515114534.
The spelling of 49451680 in words is "forty-nine million, four hundred fifty-one thousand, six hundred eighty".
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