Base | Representation |
---|---|
bin | 100100010111… |
… | …0010100000001 |
3 | 1022212112222111 |
4 | 1020232110001 |
5 | 14340022230 |
6 | 1520335321 |
7 | 321020236 |
oct | 110562401 |
9 | 38775874 |
10 | 19064065 |
11 | a841129 |
12 | 6474541 |
13 | 3c46417 |
14 | 276378d |
15 | 1a1892a |
hex | 122e501 |
19064065 has 8 divisors (see below), whose sum is σ = 23495400. Its totient is φ = 14838912.
The previous prime is 19064027. The next prime is 19064077. The reversal of 19064065 is 56046091.
It can be written as a sum of positive squares in 4 ways, for example, as 3326976 + 15737089 = 1824^2 + 3967^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 19064065 - 213 = 19055873 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51340 + ... + 51709.
It is an arithmetic number, because the mean of its divisors is an integer number (2936925).
Almost surely, 219064065 is an apocalyptic number.
It is an amenable number.
19064065 is a deficient number, since it is larger than the sum of its proper divisors (4431335).
19064065 is a wasteful number, since it uses less digits than its factorization.
19064065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103091.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 19064065 is about 4366.2415187436. The cubic root of 19064065 is about 267.1397427154.
The spelling of 19064065 in words is "nineteen million, sixty-four thousand, sixty-five".
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