Base | Representation |
---|---|
bin | 11100111101101… |
… | …000100001010111 |
3 | 1020212100020021212 |
4 | 130331220201113 |
5 | 1443343400212 |
6 | 120114532035 |
7 | 15020145623 |
oct | 3475504127 |
9 | 1225306255 |
10 | 485918807 |
11 | 22a319aa0 |
12 | 11689701b |
13 | 79894a2a |
14 | 4876c183 |
15 | 2c9d5e22 |
hex | 1cf68857 |
485918807 has 4 divisors (see below), whose sum is σ = 530093256. Its totient is φ = 441744360.
The previous prime is 485918789. The next prime is 485918843. The reversal of 485918807 is 708819584.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 485918807 - 212 = 485914711 is a prime.
It is a super-2 number, since 2×4859188072 = 472234173992606498, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (485918887) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22087208 + ... + 22087229.
It is an arithmetic number, because the mean of its divisors is an integer number (132523314).
Almost surely, 2485918807 is an apocalyptic number.
485918807 is a deficient number, since it is larger than the sum of its proper divisors (44174449).
485918807 is a wasteful number, since it uses less digits than its factorization.
485918807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44174448.
The product of its (nonzero) digits is 645120, while the sum is 50.
The square root of 485918807 is about 22043.5661134944. The cubic root of 485918807 is about 786.1786327263.
The spelling of 485918807 in words is "four hundred eighty-five million, nine hundred eighteen thousand, eight hundred seven".
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