Base | Representation |
---|---|
bin | 101111111100010… |
… | …111110001001001 |
3 | 2002001112110211022 |
4 | 233330113301021 |
5 | 3121403331040 |
6 | 211452042225 |
7 | 25634622506 |
oct | 5774276111 |
9 | 2061473738 |
10 | 804355145 |
11 | 383045a20 |
12 | 1a5463375 |
13 | ca8492b9 |
14 | 78b804ad |
15 | 4a9376b5 |
hex | 2ff17c49 |
804355145 has 16 divisors (see below), whose sum is σ = 1062642240. Its totient is φ = 579614400.
The previous prime is 804355129. The next prime is 804355147. The reversal of 804355145 is 541553408.
It is not a de Polignac number, because 804355145 - 24 = 804355129 is a prime.
It is not an unprimeable number, because it can be changed into a prime (804355147) 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, 61091 + ... + 73080.
It is an arithmetic number, because the mean of its divisors is an integer number (66415140).
Almost surely, 2804355145 is an apocalyptic number.
It is an amenable number.
804355145 is a deficient number, since it is larger than the sum of its proper divisors (258287095).
804355145 is a wasteful number, since it uses less digits than its factorization.
804355145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134296.
The product of its (nonzero) digits is 48000, while the sum is 35.
The square root of 804355145 is about 28361.1555653150. The cubic root of 804355145 is about 929.9992850806. Note that the first 3 decimals are identical.
The spelling of 804355145 in words is "eight hundred four million, three hundred fifty-five thousand, one hundred forty-five".
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