Base | Representation |
---|---|
bin | 1000001100100… |
… | …00011010000101 |
3 | 11210100210210210 |
4 | 10012100122011 |
5 | 120044431213 |
6 | 10453310033 |
7 | 1463233131 |
oct | 406203205 |
9 | 153323723 |
10 | 68748933 |
11 | 35897100 |
12 | 1b035319 |
13 | 11321256 |
14 | 91b83c1 |
15 | 60800c3 |
hex | 4190685 |
68748933 has 12 divisors (see below), whose sum is σ = 100756544. Its totient is φ = 41665800.
The previous prime is 68748919. The next prime is 68748943. The reversal of 68748933 is 33984786.
It is not a de Polignac number, because 68748933 - 220 = 67700357 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68748913) 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, 94333 + ... + 95058.
Almost surely, 268748933 is an apocalyptic number.
It is an amenable number.
68748933 is a deficient number, since it is larger than the sum of its proper divisors (32007611).
68748933 is a wasteful number, since it uses less digits than its factorization.
68748933 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189416 (or 189405 counting only the distinct ones).
The product of its digits is 870912, while the sum is 48.
The square root of 68748933 is about 8291.4976331179. The cubic root of 68748933 is about 409.6585159783.
The spelling of 68748933 in words is "sixty-eight million, seven hundred forty-eight thousand, nine hundred thirty-three".
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