Base | Representation |
---|---|
bin | 11100101011101… |
… | …011000100011001 |
3 | 1020112111000220122 |
4 | 130223223010121 |
5 | 1441142220044 |
6 | 115430003025 |
7 | 14632136333 |
oct | 3453530431 |
9 | 1215430818 |
10 | 481210649 |
11 | 2276a3757 |
12 | 1151a6475 |
13 | 78906a3a |
14 | 47ca4453 |
15 | 2c3a5dee |
hex | 1caeb119 |
481210649 has 2 divisors, whose sum is σ = 481210650. Its totient is φ = 481210648.
The previous prime is 481210621. The next prime is 481210651. The reversal of 481210649 is 946012184.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 481012624 + 198025 = 21932^2 + 445^2 .
It is a cyclic number.
It is not a de Polignac number, because 481210649 - 212 = 481206553 is a prime.
It is a super-2 number, since 2×4812106492 = 463127377422002402, which contains 22 as substring.
Together with 481210651, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (481210699) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240605324 + 240605325.
It is an arithmetic number, because the mean of its divisors is an integer number (240605325).
Almost surely, 2481210649 is an apocalyptic number.
It is an amenable number.
481210649 is a deficient number, since it is larger than the sum of its proper divisors (1).
481210649 is an equidigital number, since it uses as much as digits as its factorization.
481210649 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 13824, while the sum is 35.
The square root of 481210649 is about 21936.5140576164. The cubic root of 481210649 is about 783.6312437214.
The spelling of 481210649 in words is "four hundred eighty-one million, two hundred ten thousand, six hundred forty-nine".
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