Base | Representation |
---|---|
bin | 11101000111101… |
… | …000111111001101 |
3 | 1021001021111211222 |
4 | 131013220333031 |
5 | 2000031322112 |
6 | 120251053125 |
7 | 15051353105 |
oct | 3507507715 |
9 | 1231244758 |
10 | 488542157 |
11 | 230850a54 |
12 | 1177411a5 |
13 | 7a2a2acc |
14 | 48c52205 |
15 | 2cd53372 |
hex | 1d1e8fcd |
488542157 has 2 divisors, whose sum is σ = 488542158. Its totient is φ = 488542156.
The previous prime is 488542147. The next prime is 488542169. The reversal of 488542157 is 751245884.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 450670441 + 37871716 = 21229^2 + 6154^2 .
It is a cyclic number.
It is not a de Polignac number, because 488542157 - 216 = 488476621 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (488542127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244271078 + 244271079.
It is an arithmetic number, because the mean of its divisors is an integer number (244271079).
Almost surely, 2488542157 is an apocalyptic number.
It is an amenable number.
488542157 is a deficient number, since it is larger than the sum of its proper divisors (1).
488542157 is an equidigital number, since it uses as much as digits as its factorization.
488542157 is an evil number, because the sum of its binary digits is even.
The product of its digits is 358400, while the sum is 44.
The square root of 488542157 is about 22102.9897751413. The cubic root of 488542157 is about 787.5908860250.
The spelling of 488542157 in words is "four hundred eighty-eight million, five hundred forty-two thousand, one hundred fifty-seven".
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