Base | Representation |
---|---|
bin | 1011100010011… |
… | …0000110011101 |
3 | 10101001111100212 |
4 | 2320212012131 |
5 | 44341444212 |
6 | 4445102205 |
7 | 1125212225 |
oct | 270460635 |
9 | 111044325 |
10 | 48390557 |
11 | 253515a6 |
12 | 14257965 |
13 | a043987 |
14 | 65d9085 |
15 | 43ace22 |
hex | 2e2619d |
48390557 has 2 divisors, whose sum is σ = 48390558. Its totient is φ = 48390556.
The previous prime is 48390539. The next prime is 48390583. The reversal of 48390557 is 75509384.
48390557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 48246916 + 143641 = 6946^2 + 379^2 .
It is a cyclic number.
It is not a de Polignac number, because 48390557 - 26 = 48390493 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (48390157) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24195278 + 24195279.
It is an arithmetic number, because the mean of its divisors is an integer number (24195279).
Almost surely, 248390557 is an apocalyptic number.
It is an amenable number.
48390557 is a deficient number, since it is larger than the sum of its proper divisors (1).
48390557 is an equidigital number, since it uses as much as digits as its factorization.
48390557 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 151200, while the sum is 41.
The square root of 48390557 is about 6956.3321513568. The cubic root of 48390557 is about 364.4071366239.
The spelling of 48390557 in words is "forty-eight million, three hundred ninety thousand, five hundred fifty-seven".
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