Base | Representation |
---|---|
bin | 1000001010101… |
… | …00101101000010 |
3 | 11202220101100111 |
4 | 10011110231002 |
5 | 120014120021 |
6 | 10444141534 |
7 | 1461164146 |
oct | 405245502 |
9 | 152811314 |
10 | 68504386 |
11 | 3573a3a5 |
12 | 1ab378aa |
13 | 11266b52 |
14 | 9153226 |
15 | 60328e1 |
hex | 4154b42 |
68504386 has 16 divisors (see below), whose sum is σ = 108725760. Its totient is φ = 32281200.
The previous prime is 68504377. The next prime is 68504417. The reversal of 68504386 is 68340586.
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, 2911 + ... + 12061.
It is an arithmetic number, because the mean of its divisors is an integer number (6795360).
Almost surely, 268504386 is an apocalyptic number.
68504386 is a deficient number, since it is larger than the sum of its proper divisors (40221374).
68504386 is a wasteful number, since it uses less digits than its factorization.
68504386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9369.
The product of its (nonzero) digits is 138240, while the sum is 40.
The square root of 68504386 is about 8276.7376423323. The cubic root of 68504386 is about 409.1722064632.
It can be divided in two parts, 6850 and 4386, that added together give a square (11236 = 1062).
The spelling of 68504386 in words is "sixty-eight million, five hundred four thousand, three hundred eighty-six".
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