Base | Representation |
---|---|
bin | 1011100010111… |
… | …0101111111101 |
3 | 10101010021221212 |
4 | 2320232233331 |
5 | 44344112411 |
6 | 4445534205 |
7 | 1125420422 |
oct | 270565775 |
9 | 111107855 |
10 | 48425981 |
11 | 2537617a |
12 | 14274365 |
13 | a056b36 |
14 | 6607d49 |
15 | 43b868b |
hex | 2e2ebfd |
48425981 has 2 divisors, whose sum is σ = 48425982. Its totient is φ = 48425980.
The previous prime is 48425959. The next prime is 48426019. The reversal of 48425981 is 18952484.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 26429881 + 21996100 = 5141^2 + 4690^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-48425981 is a prime.
It is a super-2 number, since 2×484259812 = 4690151271624722, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (48425381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24212990 + 24212991.
It is an arithmetic number, because the mean of its divisors is an integer number (24212991).
Almost surely, 248425981 is an apocalyptic number.
It is an amenable number.
48425981 is a deficient number, since it is larger than the sum of its proper divisors (1).
48425981 is an equidigital number, since it uses as much as digits as its factorization.
48425981 is an evil number, because the sum of its binary digits is even.
The product of its digits is 92160, while the sum is 41.
The square root of 48425981 is about 6958.8778549418. The cubic root of 48425981 is about 364.4960355783.
The spelling of 48425981 in words is "forty-eight million, four hundred twenty-five thousand, nine hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •