Base | Representation |
---|---|
bin | 1000001011100… |
… | …01000000101000 |
3 | 11210010021101122 |
4 | 10011301000220 |
5 | 120031322303 |
6 | 10450434412 |
7 | 1462156160 |
oct | 405610050 |
9 | 153107348 |
10 | 68620328 |
11 | 35809517 |
12 | 1ab92a08 |
13 | 112a785a |
14 | 91835a0 |
15 | 6056e38 |
hex | 4171028 |
68620328 has 32 divisors (see below), whose sum is σ = 149246400. Its totient is φ = 28968192.
The previous prime is 68620301. The next prime is 68620361. The reversal of 68620328 is 82302686.
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, 5393 + ... + 12896.
It is an arithmetic number, because the mean of its divisors is an integer number (4663950).
Almost surely, 268620328 is an apocalyptic number.
It is an amenable number.
68620328 is an abundant number, since it is smaller than the sum of its proper divisors (80626072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68620328 is a wasteful number, since it uses less digits than its factorization.
68620328 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18369 (or 18365 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 35.
The square root of 68620328 is about 8283.7387694205. The cubic root of 68620328 is about 409.4029143446.
The spelling of 68620328 in words is "sixty-eight million, six hundred twenty thousand, three hundred twenty-eight".
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