Base | Representation |
---|---|
bin | 1000001000111… |
… | …11010011011000 |
3 | 11202111021022101 |
4 | 10010133103120 |
5 | 114440120111 |
6 | 10435333144 |
7 | 1456263355 |
oct | 404372330 |
9 | 152437271 |
10 | 68285656 |
11 | 3560002a |
12 | 1aa511b4 |
13 | 111bb41a |
14 | 90d762c |
15 | 5edcbc1 |
hex | 411f4d8 |
68285656 has 32 divisors (see below), whose sum is σ = 131040000. Its totient is φ = 33349536.
The previous prime is 68285641. The next prime is 68285669. The reversal of 68285656 is 65658286.
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, 93565 + ... + 94291.
It is an arithmetic number, because the mean of its divisors is an integer number (4095000).
Almost surely, 268285656 is an apocalyptic number.
It is an amenable number.
68285656 is a deficient number, since it is larger than the sum of its proper divisors (62754344).
68285656 is a wasteful number, since it uses less digits than its factorization.
68285656 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 991 (or 987 counting only the distinct ones).
The product of its digits is 691200, while the sum is 46.
The square root of 68285656 is about 8263.5135384411. The cubic root of 68285656 is about 408.7362554958.
The spelling of 68285656 in words is "sixty-eight million, two hundred eighty-five thousand, six hundred fifty-six".
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