Base | Representation |
---|---|
bin | 11111101001110… |
… | …011111010100100 |
3 | 1101000021100110201 |
4 | 133221303322210 |
5 | 2041422213434 |
6 | 124410200244 |
7 | 16105613050 |
oct | 3751637244 |
9 | 1330240421 |
10 | 531054244 |
11 | 252847a06 |
12 | 129a23084 |
13 | 86038ba6 |
14 | 5075ac60 |
15 | 3194e614 |
hex | 1fa73ea4 |
531054244 has 12 divisors (see below), whose sum is σ = 1062108544. Its totient is φ = 227594664.
The previous prime is 531054241. The next prime is 531054253. The reversal of 531054244 is 442450135.
531054244 is an admirable number.
It is a super-2 number, since 2×5310542442 = 564037220140823072, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 18966223 = 531054244 / (5 + 3 + 1 + 0 + 5 + 4 + 2 + 4 + 4).
It is not an unprimeable number, because it can be changed into a prime (531054241) 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, 9483084 + ... + 9483139.
Almost surely, 2531054244 is an apocalyptic number.
It is an amenable number.
531054244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
531054244 is a wasteful number, since it uses less digits than its factorization.
531054244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18966234 (or 18966232 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 28.
The square root of 531054244 is about 23044.6142080964. The cubic root of 531054244 is about 809.8034599103.
The spelling of 531054244 in words is "five hundred thirty-one million, fifty-four thousand, two hundred forty-four".
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