Base | Representation |
---|---|
bin | 11101010110000… |
… | …011001011111001 |
3 | 1021022101102100212 |
4 | 131112003023321 |
5 | 2002013210411 |
6 | 120504040505 |
7 | 15125434523 |
oct | 3526031371 |
9 | 1238342325 |
10 | 492319481 |
11 | 2329a0a05 |
12 | 118a63135 |
13 | 7acc6204 |
14 | 49556a13 |
15 | 2d34c68b |
hex | 1d5832f9 |
492319481 has 2 divisors, whose sum is σ = 492319482. Its totient is φ = 492319480.
The previous prime is 492319459. The next prime is 492319483. The reversal of 492319481 is 184913294.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 491287225 + 1032256 = 22165^2 + 1016^2 .
It is a cyclic number.
It is not a de Polignac number, because 492319481 - 210 = 492318457 is a prime.
It is a super-2 number, since 2×4923194812 = 484756942744218722, which contains 22 as substring.
Together with 492319483, 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 (492319483) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246159740 + 246159741.
It is an arithmetic number, because the mean of its divisors is an integer number (246159741).
Almost surely, 2492319481 is an apocalyptic number.
It is an amenable number.
492319481 is a deficient number, since it is larger than the sum of its proper divisors (1).
492319481 is an equidigital number, since it uses as much as digits as its factorization.
492319481 is an evil number, because the sum of its binary digits is even.
The product of its digits is 62208, while the sum is 41.
The square root of 492319481 is about 22188.2735020100. The cubic root of 492319481 is about 789.6155160523.
The spelling of 492319481 in words is "four hundred ninety-two million, three hundred nineteen thousand, four hundred eighty-one".
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