Base | Representation |
---|---|
bin | 1111100001110… |
… | …1111001000001 |
3 | 11112120011020202 |
4 | 3320131321001 |
5 | 113133243040 |
6 | 10244014545 |
7 | 1420426316 |
oct | 370357101 |
9 | 145504222 |
10 | 65134145 |
11 | 3384827a |
12 | 19991455 |
13 | 10656b1b |
14 | 8916d0d |
15 | 5ab9015 |
hex | 3e1de41 |
65134145 has 8 divisors (see below), whose sum is σ = 80856360. Its totient is φ = 50310400.
The previous prime is 65134103. The next prime is 65134159. The reversal of 65134145 is 54143156.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 11082241 + 54051904 = 3329^2 + 7352^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 65134145 - 26 = 65134081 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
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, 224456 + ... + 224745.
It is an arithmetic number, because the mean of its divisors is an integer number (10107045).
Almost surely, 265134145 is an apocalyptic number.
It is an amenable number.
65134145 is a deficient number, since it is larger than the sum of its proper divisors (15722215).
65134145 is a wasteful number, since it uses less digits than its factorization.
65134145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 449235.
The product of its digits is 7200, while the sum is 29.
The square root of 65134145 is about 8070.5727801687. The cubic root of 65134145 is about 402.3489808042.
The spelling of 65134145 in words is "sixty-five million, one hundred thirty-four thousand, one hundred forty-five".
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