Base | Representation |
---|---|
bin | 111101000110010… |
… | …101001101111010 |
3 | 2122102211221121120 |
4 | 331012111031322 |
5 | 4044404214241 |
6 | 245414450110 |
7 | 34254644055 |
oct | 7506251572 |
9 | 2572757546 |
10 | 1025069946 |
11 | 48669724a |
12 | 247363936 |
13 | 1344a7184 |
14 | 9a1d5a9c |
15 | 5eed4666 |
hex | 3d19537a |
1025069946 has 32 divisors (see below), whose sum is σ = 2102260608. Its totient is φ = 333020160.
The previous prime is 1025069933. The next prime is 1025069971. The reversal of 1025069946 is 6499605201.
It is a happy number.
It is a super-3 number, since 3×10250699463 (a number of 28 digits) contains 333 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1025069898 and 1025069907.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 394026 + ... + 396618.
It is an arithmetic number, because the mean of its divisors is an integer number (65695644).
Almost surely, 21025069946 is an apocalyptic number.
1025069946 is an abundant number, since it is smaller than the sum of its proper divisors (1077190662).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1025069946 is a wasteful number, since it uses less digits than its factorization.
1025069946 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4246.
The product of its (nonzero) digits is 116640, while the sum is 42.
The square root of 1025069946 is about 32016.7135415239. The cubic root of 1025069946 is about 1008.2877717516.
The spelling of 1025069946 in words is "one billion, twenty-five million, sixty-nine thousand, nine hundred forty-six".
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