Base | Representation |
---|---|
bin | 11111001011101… |
… | …000110011111001 |
3 | 1100110101111021001 |
4 | 133023220303321 |
5 | 2032411110231 |
6 | 123524445001 |
7 | 15651440311 |
oct | 3713506371 |
9 | 1313344231 |
10 | 523144441 |
11 | 249335186 |
12 | 127249761 |
13 | 844c9831 |
14 | 4d69c441 |
15 | 30ddab61 |
hex | 1f2e8cf9 |
523144441 has 2 divisors, whose sum is σ = 523144442. Its totient is φ = 523144440.
The previous prime is 523144429. The next prime is 523144469. The reversal of 523144441 is 144441325.
It is an a-pointer prime, because the next prime (523144469) can be obtained adding 523144441 to its sum of digits (28).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 449270416 + 73874025 = 21196^2 + 8595^2 .
It is a cyclic number.
It is not a de Polignac number, because 523144441 - 25 = 523144409 is a prime.
It is a super-2 number, since 2×5231444412 = 547360212298404962, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (523144411) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261572220 + 261572221.
It is an arithmetic number, because the mean of its divisors is an integer number (261572221).
Almost surely, 2523144441 is an apocalyptic number.
It is an amenable number.
523144441 is a deficient number, since it is larger than the sum of its proper divisors (1).
523144441 is an equidigital number, since it uses as much as digits as its factorization.
523144441 is an evil number, because the sum of its binary digits is even.
The product of its digits is 7680, while the sum is 28.
The square root of 523144441 is about 22872.3510160193. The cubic root of 523144441 is about 805.7627845695.
Adding to 523144441 its reverse (144441325), we get a palindrome (667585766).
The spelling of 523144441 in words is "five hundred twenty-three million, one hundred forty-four thousand, four hundred forty-one".
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