Base | Representation |
---|---|
bin | 11100111101110… |
… | …111011111001101 |
3 | 1020212110100101022 |
4 | 130331313133031 |
5 | 1443402330414 |
6 | 120120123525 |
7 | 15020522426 |
oct | 3475673715 |
9 | 1225410338 |
10 | 485980109 |
11 | 22a36105a |
12 | 1169065a5 |
13 | 798b68c4 |
14 | 4878664d |
15 | 2c9e918e |
hex | 1cf777cd |
485980109 has 16 divisors (see below), whose sum is σ = 508569600. Its totient is φ = 463999536.
The previous prime is 485980091. The next prime is 485980127. The reversal of 485980109 is 901089584.
485980109 is nontrivially palindromic in base 4.
It is an interprime number because it is at equal distance from previous prime (485980091) and next prime (485980127).
It is a cyclic number.
It is not a de Polignac number, because 485980109 - 212 = 485976013 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 485980109.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (485980129) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565322 + ... + 566180.
It is an arithmetic number, because the mean of its divisors is an integer number (31785600).
Almost surely, 2485980109 is an apocalyptic number.
It is an amenable number.
485980109 is a deficient number, since it is larger than the sum of its proper divisors (22589491).
485980109 is a wasteful number, since it uses less digits than its factorization.
485980109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1184.
The product of its (nonzero) digits is 103680, while the sum is 44.
The square root of 485980109 is about 22044.9565433911. The cubic root of 485980109 is about 786.2116919503.
The spelling of 485980109 in words is "four hundred eighty-five million, nine hundred eighty thousand, one hundred nine".
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