Base | Representation |
---|---|
bin | 1000001000000… |
… | …00101110101100 |
3 | 11202020220112022 |
4 | 10010000232230 |
5 | 114422113203 |
6 | 10432525312 |
7 | 1455232310 |
oct | 404005654 |
9 | 152226468 |
10 | 68160428 |
11 | 35524a36 |
12 | 1a9b0838 |
13 | 1117641b |
14 | 90a3b40 |
15 | 5eb5a38 |
hex | 4100bac |
68160428 has 24 divisors (see below), whose sum is σ = 136500000. Its totient is φ = 29173248.
The previous prime is 68160419. The next prime is 68160473. The reversal of 68160428 is 82406186.
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, 33998 + ... + 35946.
It is an arithmetic number, because the mean of its divisors is an integer number (5687500).
Almost surely, 268160428 is an apocalyptic number.
It is an amenable number.
68160428 is an abundant number, since it is smaller than the sum of its proper divisors (68339572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68160428 is a wasteful number, since it uses less digits than its factorization.
68160428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3209 (or 3207 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 35.
The square root of 68160428 is about 8255.9328970141. The cubic root of 68160428 is about 408.4862442539.
The spelling of 68160428 in words is "sixty-eight million, one hundred sixty thousand, four hundred twenty-eight".
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