Base | Representation |
---|---|
bin | 1000001101000… |
… | …00111101110010 |
3 | 11210111020211200 |
4 | 10012200331302 |
5 | 120104114004 |
6 | 10454552030 |
7 | 1463634636 |
oct | 406407562 |
9 | 153436750 |
10 | 68816754 |
11 | 35933056 |
12 | 1b068616 |
13 | 11346096 |
14 | 91d4dc6 |
15 | 6095239 |
hex | 41a0f72 |
68816754 has 24 divisors (see below), whose sum is σ = 150583212. Its totient is φ = 22711200.
The previous prime is 68816753. The next prime is 68816767. The reversal of 68816754 is 45761886.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 68508729 + 308025 = 8277^2 + 555^2 .
It is not an unprimeable number, because it can be changed into a prime (68816753) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17109 + ... + 20744.
Almost surely, 268816754 is an apocalyptic number.
68816754 is an abundant number, since it is smaller than the sum of its proper divisors (81766458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68816754 is a wasteful number, since it uses less digits than its factorization.
68816754 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37962 (or 37959 counting only the distinct ones).
The product of its digits is 322560, while the sum is 45.
The square root of 68816754 is about 8295.5864168846. The cubic root of 68816754 is about 409.7931814335.
The spelling of 68816754 in words is "sixty-eight million, eight hundred sixteen thousand, seven hundred fifty-four".
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