Base | Representation |
---|---|
bin | 111111100000010… |
… | …000011001111111 |
3 | 2202020202222001101 |
4 | 333200100121333 |
5 | 4140221423130 |
6 | 253415353531 |
7 | 35254631653 |
oct | 7740203177 |
9 | 2666688041 |
10 | 1065420415 |
11 | 4a7447144 |
12 | 2589828a7 |
13 | 13c9643a7 |
14 | a16daa63 |
15 | 638051ca |
hex | 3f81067f |
1065420415 has 16 divisors (see below), whose sum is σ = 1326204000. Its totient is φ = 820697472.
The previous prime is 1065420397. The next prime is 1065420437. The reversal of 1065420415 is 5140245601.
It is a cyclic number.
It is not a de Polignac number, because 1065420415 - 213 = 1065412223 is a prime.
It is a super-2 number, since 2×10654204152 = 2270241321397544450, which contains 22 as substring.
It is a congruent number.
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, 44236 + ... + 63934.
It is an arithmetic number, because the mean of its divisors is an integer number (82887750).
Almost surely, 21065420415 is an apocalyptic number.
1065420415 is a deficient number, since it is larger than the sum of its proper divisors (260783585).
1065420415 is a wasteful number, since it uses less digits than its factorization.
1065420415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20106.
The product of its (nonzero) digits is 4800, while the sum is 28.
The square root of 1065420415 is about 32640.7784067721. The cubic root of 1065420415 is about 1021.3478321153.
The spelling of 1065420415 in words is "one billion, sixty-five million, four hundred twenty thousand, four hundred fifteen".
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