Base | Representation |
---|---|
bin | 1000001011001… |
… | …10100101011100 |
3 | 11210001002211011 |
4 | 10011212211130 |
5 | 120023441003 |
6 | 10445505004 |
7 | 1461620530 |
oct | 405464534 |
9 | 153032734 |
10 | 68577628 |
11 | 3578a429 |
12 | 1ab72164 |
13 | 112912a2 |
14 | 9171bc0 |
15 | 604946d |
hex | 416695c |
68577628 has 24 divisors (see below), whose sum is σ = 143119872. Its totient is φ = 28112304.
The previous prime is 68577599. The next prime is 68577659. The reversal of 68577628 is 82677586.
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, 52600 + ... + 53887.
It is an arithmetic number, because the mean of its divisors is an integer number (5963328).
Almost surely, 268577628 is an apocalyptic number.
It is an amenable number.
68577628 is an abundant number, since it is smaller than the sum of its proper divisors (74542244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68577628 is a wasteful number, since it uses less digits than its factorization.
68577628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106521 (or 106519 counting only the distinct ones).
The product of its digits is 1128960, while the sum is 49.
The square root of 68577628 is about 8281.1610297107. The cubic root of 68577628 is about 409.3179777462.
The spelling of 68577628 in words is "sixty-eight million, five hundred seventy-seven thousand, six hundred twenty-eight".
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