Base | Representation |
---|---|
bin | 101111111011111… |
… | …111110001111101 |
3 | 2002001100111001100 |
4 | 233323333301331 |
5 | 3121342210033 |
6 | 211450003313 |
7 | 25634033166 |
oct | 5773776175 |
9 | 2061314040 |
10 | 804256893 |
11 | 382a89120 |
12 | 1a5416539 |
13 | ca81366b |
14 | 78b5676d |
15 | 4a918513 |
hex | 2feffc7d |
804256893 has 96 divisors (see below), whose sum is σ = 1423319040. Its totient is φ = 431608320.
The previous prime is 804256891. The next prime is 804256933. The reversal of 804256893 is 398652408.
804256893 is a `hidden beast` number, since 80 + 4 + 2 + 568 + 9 + 3 = 666.
It is not a de Polignac number, because 804256893 - 21 = 804256891 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (804256891) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3057880 + ... + 3058142.
It is an arithmetic number, because the mean of its divisors is an integer number (14826240).
Almost surely, 2804256893 is an apocalyptic number.
It is an amenable number.
804256893 is a deficient number, since it is larger than the sum of its proper divisors (619062147).
804256893 is a wasteful number, since it uses less digits than its factorization.
804256893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 399 (or 396 counting only the distinct ones).
The product of its (nonzero) digits is 414720, while the sum is 45.
The square root of 804256893 is about 28359.4233545042. The cubic root of 804256893 is about 929.9614170604.
The spelling of 804256893 in words is "eight hundred four million, two hundred fifty-six thousand, eight hundred ninety-three".
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