Base | Representation |
---|---|
bin | 11101000110011… |
… | …111010001100111 |
3 | 1021000201011200112 |
4 | 131012133101213 |
5 | 1444442141411 |
6 | 120240403235 |
7 | 15045654623 |
oct | 3506372147 |
9 | 1230634615 |
10 | 488240231 |
11 | 230665126 |
12 | 11761651b |
13 | 7a1c855b |
14 | 48bb4183 |
15 | 2cce3b8b |
hex | 1d19f467 |
488240231 has 2 divisors, whose sum is σ = 488240232. Its totient is φ = 488240230.
The previous prime is 488240227. The next prime is 488240237. The reversal of 488240231 is 132042884.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 488240231 - 22 = 488240227 is a prime.
It is a super-2 number, since 2×4882402312 = 476757046333866722, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (488240237) 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 as a sum of consecutive naturals, namely, 244120115 + 244120116.
It is an arithmetic number, because the mean of its divisors is an integer number (244120116).
Almost surely, 2488240231 is an apocalyptic number.
488240231 is a deficient number, since it is larger than the sum of its proper divisors (1).
488240231 is an equidigital number, since it uses as much as digits as its factorization.
488240231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 12288, while the sum is 32.
The square root of 488240231 is about 22096.1587385681. The cubic root of 488240231 is about 787.4286051341.
The spelling of 488240231 in words is "four hundred eighty-eight million, two hundred forty thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.278 sec. • engine limits •