Base | Representation |
---|---|
bin | 11111101011111… |
… | …011001011100010 |
3 | 1101001022111110221 |
4 | 133223323023202 |
5 | 2042042431130 |
6 | 124430113254 |
7 | 16113411253 |
oct | 3753731342 |
9 | 1331274427 |
10 | 531608290 |
11 | 2530961a4 |
12 | 12a04b82a |
13 | 861a1125 |
14 | 50862b2a |
15 | 31a0d87a |
hex | 1fafb2e2 |
531608290 has 32 divisors (see below), whose sum is σ = 989133120. Its totient is φ = 205598400.
The previous prime is 531608279. The next prime is 531608293. The reversal of 531608290 is 92806135.
It is not an unprimeable number, because it can be changed into a prime (531608293) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28605 + ... + 43375.
It is an arithmetic number, because the mean of its divisors is an integer number (30910410).
Almost surely, 2531608290 is an apocalyptic number.
531608290 is a deficient number, since it is larger than the sum of its proper divisors (457524830).
531608290 is a wasteful number, since it uses less digits than its factorization.
531608290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14898.
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 531608290 is about 23056.6322345654. The cubic root of 531608290 is about 810.0849832086.
The spelling of 531608290 in words is "five hundred thirty-one million, six hundred eight thousand, two hundred ninety".
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