Base | Representation |
---|---|
bin | 101111111100000… |
… | …000001001100101 |
3 | 2002001100120010100 |
4 | 233330000021211 |
5 | 3121342232110 |
6 | 211450014313 |
7 | 25634040456 |
oct | 5774001145 |
9 | 2061316110 |
10 | 804258405 |
11 | 382a8a275 |
12 | 1a5417399 |
13 | ca814262 |
14 | 78b5712d |
15 | 4a918bc0 |
hex | 2ff00265 |
804258405 has 24 divisors (see below), whose sum is σ = 1402939512. Its totient is φ = 426201984.
The previous prime is 804258289. The next prime is 804258437. The reversal of 804258405 is 504852408.
It can be written as a sum of positive squares in 4 ways, for example, as 1896129 + 802362276 = 1377^2 + 28326^2 .
It is not a de Polignac number, because 804258405 - 28 = 804258149 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 804258405.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49854 + ... + 63983.
It is an arithmetic number, because the mean of its divisors is an integer number (58455813).
Almost surely, 2804258405 is an apocalyptic number.
It is an amenable number.
804258405 is a deficient number, since it is larger than the sum of its proper divisors (598681107).
804258405 is a wasteful number, since it uses less digits than its factorization.
804258405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114005 (or 114002 counting only the distinct ones).
The product of its (nonzero) digits is 51200, while the sum is 36.
The square root of 804258405 is about 28359.4500122975. The cubic root of 804258405 is about 929.9619998348.
The spelling of 804258405 in words is "eight hundred four million, two hundred fifty-eight thousand, four hundred five".
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