Base | Representation |
---|---|
bin | 1000001100001… |
… | …10000010101000 |
3 | 11210021122120011 |
4 | 10012012002220 |
5 | 120042101342 |
6 | 10452341304 |
7 | 1462665262 |
oct | 406060250 |
9 | 153248504 |
10 | 68706472 |
11 | 3586820a |
12 | 1b014834 |
13 | 11307b23 |
14 | 91a6b32 |
15 | 6072717 |
hex | 41860a8 |
68706472 has 16 divisors (see below), whose sum is σ = 129598560. Its totient is φ = 34146864.
The previous prime is 68706461. The next prime is 68706493. The reversal of 68706472 is 27460786.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24378 + ... + 27049.
It is an arithmetic number, because the mean of its divisors is an integer number (8099910).
Almost surely, 268706472 is an apocalyptic number.
It is an amenable number.
68706472 is a deficient number, since it is larger than the sum of its proper divisors (60892088).
68706472 is a wasteful number, since it uses less digits than its factorization.
68706472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51600 (or 51596 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 40.
The square root of 68706472 is about 8288.9367231268. The cubic root of 68706472 is about 409.5741602809.
The spelling of 68706472 in words is "sixty-eight million, seven hundred six thousand, four hundred seventy-two".
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