Base | Representation |
---|---|
bin | 1111100001101… |
… | …0111111000001 |
3 | 11112112112220212 |
4 | 3320122333001 |
5 | 113132402431 |
6 | 10243443505 |
7 | 1420346522 |
oct | 370327701 |
9 | 145475825 |
10 | 65122241 |
11 | 3383a338 |
12 | 19986595 |
13 | 10651592 |
14 | 8912849 |
15 | 5ab572b |
hex | 3e1afc1 |
65122241 has 4 divisors (see below), whose sum is σ = 65304000. Its totient is φ = 64940484.
The previous prime is 65122231. The next prime is 65122259. The reversal of 65122241 is 14222156.
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.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-65122241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (65122231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90341 + ... + 91058.
It is an arithmetic number, because the mean of its divisors is an integer number (16326000).
Almost surely, 265122241 is an apocalyptic number.
It is an amenable number.
65122241 is a deficient number, since it is larger than the sum of its proper divisors (181759).
65122241 is a wasteful number, since it uses less digits than its factorization.
65122241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 181758.
The product of its digits is 960, while the sum is 23.
The square root of 65122241 is about 8069.8352523456. The cubic root of 65122241 is about 402.3244680386.
Adding to 65122241 its reverse (14222156), we get a palindrome (79344397).
The spelling of 65122241 in words is "sixty-five million, one hundred twenty-two thousand, two hundred forty-one".
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