Base | Representation |
---|---|
bin | 1001100111000… |
… | …11111011000001 |
3 | 12121201012011220 |
4 | 10303203323001 |
5 | 131120002340 |
6 | 12000025253 |
7 | 1666206213 |
oct | 463437301 |
9 | 177635156 |
10 | 80625345 |
11 | 41569019 |
12 | 23002229 |
13 | 1391bc08 |
14 | a9ca5b3 |
15 | 7128ed0 |
hex | 4ce3ec1 |
80625345 has 16 divisors (see below), whose sum is σ = 129541632. Its totient is φ = 42819840.
The previous prime is 80625343. The next prime is 80625397. The reversal of 80625345 is 54352608.
It is not a de Polignac number, because 80625345 - 21 = 80625343 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80625343) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7537 + ... + 14766.
It is an arithmetic number, because the mean of its divisors is an integer number (8096352).
Almost surely, 280625345 is an apocalyptic number.
It is an amenable number.
80625345 is a deficient number, since it is larger than the sum of its proper divisors (48916287).
80625345 is a wasteful number, since it uses less digits than its factorization.
80625345 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22552.
The product of its (nonzero) digits is 28800, while the sum is 33.
The square root of 80625345 is about 8979.1617092020. The cubic root of 80625345 is about 432.0067460795.
The spelling of 80625345 in words is "eighty million, six hundred twenty-five thousand, three hundred forty-five".
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