Base | Representation |
---|---|
bin | 1000001101011… |
… | …11110010011001 |
3 | 11210121100010020 |
4 | 10012233302121 |
5 | 120113034330 |
6 | 10500141053 |
7 | 1464306636 |
oct | 406576231 |
9 | 153540106 |
10 | 68877465 |
11 | 35974728 |
12 | 1b097789 |
13 | 113678c7 |
14 | 920d18d |
15 | 60a8210 |
hex | 41afc99 |
68877465 has 32 divisors (see below), whose sum is σ = 114739200. Its totient is φ = 35239680.
The previous prime is 68877463. The next prime is 68877491. The reversal of 68877465 is 56477886.
It is not a de Polignac number, because 68877465 - 21 = 68877463 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68877463) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82671 + ... + 83499.
It is an arithmetic number, because the mean of its divisors is an integer number (3585600).
Almost surely, 268877465 is an apocalyptic number.
It is an amenable number.
68877465 is a deficient number, since it is larger than the sum of its proper divisors (45861735).
68877465 is a wasteful number, since it uses less digits than its factorization.
68877465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1057.
The product of its digits is 2257920, while the sum is 51.
The square root of 68877465 is about 8299.2448451651. The cubic root of 68877465 is about 409.9136542341.
The spelling of 68877465 in words is "sixty-eight million, eight hundred seventy-seven thousand, four hundred sixty-five".
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