Base | Representation |
---|---|
bin | 1000001100001… |
… | …10110100011110 |
3 | 11210021210221022 |
4 | 10012012310132 |
5 | 120042202122 |
6 | 10452404142 |
7 | 1463010500 |
oct | 406066436 |
9 | 153253838 |
10 | 68709662 |
11 | 3586a64a |
12 | 1b016652 |
13 | 11309408 |
14 | 91a7d70 |
15 | 6073642 |
hex | 4186d1e |
68709662 has 24 divisors (see below), whose sum is σ = 126204840. Its totient is φ = 27896400.
The previous prime is 68709661. The next prime is 68709673. The reversal of 68709662 is 26690786.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68709661) 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, 16589 + ... + 20312.
It is an arithmetic number, because the mean of its divisors is an integer number (5258535).
Almost surely, 268709662 is an apocalyptic number.
68709662 is a deficient number, since it is larger than the sum of its proper divisors (57495178).
68709662 is a wasteful number, since it uses less digits than its factorization.
68709662 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36936 (or 36929 counting only the distinct ones).
The product of its (nonzero) digits is 217728, while the sum is 44.
The square root of 68709662 is about 8289.1291460563. The cubic root of 68709662 is about 409.5804989431.
The spelling of 68709662 in words is "sixty-eight million, seven hundred nine thousand, six hundred sixty-two".
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