Base | Representation |
---|---|
bin | 10100100100000000110001 |
3 | 101010212012220 |
4 | 110210000301 |
5 | 2334443020 |
6 | 311311253 |
7 | 63550260 |
oct | 24440061 |
9 | 11125186 |
10 | 5390385 |
11 | 3051970 |
12 | 197b529 |
13 | 11696a0 |
14 | a045d7 |
15 | 717240 |
hex | 524031 |
5390385 has 64 divisors (see below), whose sum is σ = 11612160. Its totient is φ = 2062080.
The previous prime is 5390381. The next prime is 5390389. The reversal of 5390385 is 5830935.
5390385 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (5390381) and next prime (5390389).
It is not a de Polignac number, because 5390385 - 22 = 5390381 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (5390381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14836 + ... + 15194.
It is an arithmetic number, because the mean of its divisors is an integer number (181440).
Almost surely, 25390385 is an apocalyptic number.
5390385 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
5390385 is an abundant number, since it is smaller than the sum of its proper divisors (6221775).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5390385 is a wasteful number, since it uses less digits than its factorization.
5390385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 398.
The product of its (nonzero) digits is 16200, while the sum is 33.
The square root of 5390385 is about 2321.7202673880. The cubic root of 5390385 is about 175.3368749094.
It can be divided in two parts, 5390 and 385, that added together give a palindrome (5775).
The spelling of 5390385 in words is "five million, three hundred ninety thousand, three hundred eighty-five".
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