Base | Representation |
---|---|
bin | 1000001101111… |
… | …11001001101110 |
3 | 11210201112110002 |
4 | 10012333021232 |
5 | 120122043043 |
6 | 10501344302 |
7 | 1464661262 |
oct | 406771156 |
9 | 153645402 |
10 | 68940398 |
11 | 35a07a3a |
12 | 1b108092 |
13 | 1138a447 |
14 | 92280a2 |
15 | 60bbbb8 |
hex | 41bf26e |
68940398 has 16 divisors (see below), whose sum is σ = 111797520. Its totient is φ = 31772736.
The previous prime is 68940371. The next prime is 68940419. The reversal of 68940398 is 89304986.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23111 + ... + 25922.
It is an arithmetic number, because the mean of its divisors is an integer number (6987345).
Almost surely, 268940398 is an apocalyptic number.
68940398 is a deficient number, since it is larger than the sum of its proper divisors (42857122).
68940398 is a wasteful number, since it uses less digits than its factorization.
68940398 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49091.
The product of its (nonzero) digits is 373248, while the sum is 47.
The square root of 68940398 is about 8303.0354690318. The cubic root of 68940398 is about 410.0384615911.
The spelling of 68940398 in words is "sixty-eight million, nine hundred forty thousand, three hundred ninety-eight".
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