Base | Representation |
---|---|
bin | 11101001001000… |
… | …001110110010001 |
3 | 1021001222000010102 |
4 | 131021001312101 |
5 | 2000124444004 |
6 | 120302542145 |
7 | 15054430205 |
oct | 3511016621 |
9 | 1231860112 |
10 | 488906129 |
11 | 230a7a458 |
12 | 117897955 |
13 | 7a39c68a |
14 | 48d08b05 |
15 | 2cdc611e |
hex | 1d241d91 |
488906129 has 4 divisors (see below), whose sum is σ = 491388084. Its totient is φ = 486424176.
The previous prime is 488906113. The next prime is 488906137. The reversal of 488906129 is 921609884.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 307195729 + 181710400 = 17527^2 + 13480^2 .
It is a cyclic number.
It is not a de Polignac number, because 488906129 - 24 = 488906113 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (488906149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240682 + ... + 1241075.
It is an arithmetic number, because the mean of its divisors is an integer number (122847021).
Almost surely, 2488906129 is an apocalyptic number.
It is an amenable number.
488906129 is a deficient number, since it is larger than the sum of its proper divisors (2481955).
488906129 is a wasteful number, since it uses less digits than its factorization.
488906129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2481954.
The product of its (nonzero) digits is 248832, while the sum is 47.
The square root of 488906129 is about 22111.2217889469. The cubic root of 488906129 is about 787.7864268917.
The spelling of 488906129 in words is "four hundred eighty-eight million, nine hundred six thousand, one hundred twenty-nine".
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