Base | Representation |
---|---|
bin | 1000001000011… |
… | …00001011111010 |
3 | 11202100021220022 |
4 | 10010030023322 |
5 | 114430113404 |
6 | 10433530442 |
7 | 1455516155 |
oct | 404141372 |
9 | 152307808 |
10 | 68207354 |
11 | 35557216 |
12 | 1aa13a22 |
13 | 111918a7 |
14 | 90b6c9c |
15 | 5ec48be |
hex | 410c2fa |
68207354 has 16 divisors (see below), whose sum is σ = 107643816. Its totient is φ = 32371200.
The previous prime is 68207353. The next prime is 68207369. The reversal of 68207354 is 45370286.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 37149025 + 31058329 = 6095^2 + 5573^2 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (68207353) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8207 + ... + 14274.
Almost surely, 268207354 is an apocalyptic number.
68207354 is a deficient number, since it is larger than the sum of its proper divisors (39436462).
68207354 is a wasteful number, since it uses less digits than its factorization.
68207354 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22561.
The product of its (nonzero) digits is 40320, while the sum is 35.
The square root of 68207354 is about 8258.7743642746. The cubic root of 68207354 is about 408.5799654388.
The spelling of 68207354 in words is "sixty-eight million, two hundred seven thousand, three hundred fifty-four".
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