Base | Representation |
---|---|
bin | 1001100010111… |
… | …00000011011001 |
3 | 12120122220210001 |
4 | 10301130003121 |
5 | 130444200300 |
6 | 11540053001 |
7 | 1661400544 |
oct | 461340331 |
9 | 176586701 |
10 | 80068825 |
11 | 41218991 |
12 | 22994161 |
13 | 13785805 |
14 | a8c385b |
15 | 706916a |
hex | 4c5c0d9 |
80068825 has 6 divisors (see below), whose sum is σ = 99285374. Its totient is φ = 64055040.
The previous prime is 80068817. The next prime is 80068837. The reversal of 80068825 is 52886008.
It can be written as a sum of positive squares in 3 ways, for example, as 7529536 + 72539289 = 2744^2 + 8517^2 .
It is not a de Polignac number, because 80068825 - 23 = 80068817 is a prime.
It is a super-2 number, since 2×800688252 = 12822033473761250, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1601352 + ... + 1601401.
Almost surely, 280068825 is an apocalyptic number.
It is an amenable number.
80068825 is a deficient number, since it is larger than the sum of its proper divisors (19216549).
80068825 is a wasteful number, since it uses less digits than its factorization.
80068825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3202763 (or 3202758 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 37.
The square root of 80068825 is about 8948.1185173197. The cubic root of 80068825 is about 431.0104683945.
The spelling of 80068825 in words is "eighty million, sixty-eight thousand, eight hundred twenty-five".
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