Base | Representation |
---|---|
bin | 100010111001000… |
… | …011001001000101 |
3 | 1111210111101222100 |
4 | 202321003021011 |
5 | 2144324133141 |
6 | 134030422313 |
7 | 20335436313 |
oct | 4271031105 |
9 | 1453441870 |
10 | 585380421 |
11 | 280482a7a |
12 | 144061999 |
13 | 9437a462 |
14 | 57a5d0b3 |
15 | 365d10b6 |
hex | 22e43245 |
585380421 has 12 divisors (see below), whose sum is σ = 845888940. Its totient is φ = 390096960.
The previous prime is 585380417. The next prime is 585380423. The reversal of 585380421 is 124083585.
It is a happy number.
585380421 is a `hidden beast` number, since 585 + 38 + 0 + 42 + 1 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 320016321 + 265364100 = 17889^2 + 16290^2 .
It is not a de Polignac number, because 585380421 - 22 = 585380417 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (585380423) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13441 + ... + 36761.
It is an arithmetic number, because the mean of its divisors is an integer number (70490745).
Almost surely, 2585380421 is an apocalyptic number.
It is an amenable number.
585380421 is a deficient number, since it is larger than the sum of its proper divisors (260508519).
585380421 is a wasteful number, since it uses less digits than its factorization.
585380421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26116 (or 26113 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 36.
The square root of 585380421 is about 24194.6362030926. The cubic root of 585380421 is about 836.5259109539.
The spelling of 585380421 in words is "five hundred eighty-five million, three hundred eighty thousand, four hundred twenty-one".
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