| Base | Representation |
|---|---|
| bin | 111100110100111… |
| … | …101000010011101 |
| 3 | 2122010021111122220 |
| 4 | 330310331002131 |
| 5 | 4042222430321 |
| 6 | 245133055553 |
| 7 | 34201141551 |
| oct | 7464750235 |
| 9 | 2563244586 |
| 10 | 1020514461 |
| 11 | 48406568a |
| 12 | 2459275b9 |
| 13 | 133570815 |
| 14 | 9976b861 |
| 15 | 5e8d49c6 |
| hex | 3cd3d09d |
1020514461 has 4 divisors (see below), whose sum is σ = 1360685952. Its totient is φ = 680342972.
The previous prime is 1020514459. The next prime is 1020514463. The reversal of 1020514461 is 1644150201.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1644150201 = 3 ⋅548050067.
It is an interprime number because it is at equal distance from previous prime (1020514459) and next prime (1020514463).
It is a cyclic number.
It is not a de Polignac number, because 1020514461 - 21 = 1020514459 is a prime.
It is a super-2 number, since 2×10205144612 = 2082899530220241042, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020514463) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170085741 + ... + 170085746.
It is an arithmetic number, because the mean of its divisors is an integer number (340171488).
Almost surely, 21020514461 is an apocalyptic number.
It is an amenable number.
1020514461 is a deficient number, since it is larger than the sum of its proper divisors (340171491).
1020514461 is an equidigital number, since it uses as much as digits as its factorization.
1020514461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 340171490.
The product of its (nonzero) digits is 960, while the sum is 24.
The square root of 1020514461 is about 31945.4920293928. The cubic root of 1020514461 is about 1006.7919190646.
Adding to 1020514461 its reverse (1644150201), we get a palindrome (2664664662).
The spelling of 1020514461 in words is "one billion, twenty million, five hundred fourteen thousand, four hundred sixty-one".
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