Base | Representation |
---|---|
bin | 11101010111101… |
… | …001100101100001 |
3 | 1021100011201201101 |
4 | 131113221211201 |
5 | 2002120121123 |
6 | 120521034401 |
7 | 15132132412 |
oct | 3527514541 |
9 | 1240151641 |
10 | 492738913 |
11 | 233158047 |
12 | 119025a01 |
13 | 7b1120b4 |
14 | 49625809 |
15 | 2d3d1aad |
hex | 1d5e9961 |
492738913 has 32 divisors (see below), whose sum is σ = 570240000. Its totient is φ = 423162432.
The previous prime is 492738901. The next prime is 492738937. The reversal of 492738913 is 319837294.
It is not a de Polignac number, because 492738913 - 25 = 492738881 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (492738973) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 747378 + ... + 748036.
It is an arithmetic number, because the mean of its divisors is an integer number (17820000).
Almost surely, 2492738913 is an apocalyptic number.
It is an amenable number.
492738913 is a deficient number, since it is larger than the sum of its proper divisors (77501087).
492738913 is a wasteful number, since it uses less digits than its factorization.
492738913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 789.
The product of its digits is 326592, while the sum is 46.
The square root of 492738913 is about 22197.7231490079. The cubic root of 492738913 is about 789.8396902724.
The spelling of 492738913 in words is "four hundred ninety-two million, seven hundred thirty-eight thousand, nine hundred thirteen".
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