Base | Representation |
---|---|
bin | 110000001011110… |
… | …111000010101000 |
3 | 2002100011202110010 |
4 | 300023313002220 |
5 | 3123423243100 |
6 | 212115051520 |
7 | 26014263132 |
oct | 6013670250 |
9 | 2070152403 |
10 | 808415400 |
11 | 385369501 |
12 | 1a68a0ba0 |
13 | cb63b410 |
14 | 7951a052 |
15 | 4ae8a750 |
hex | 302f70a8 |
808415400 has 96 divisors (see below), whose sum is σ = 2698889760. Its totient is φ = 198992640.
The previous prime is 808415393. The next prime is 808415407. The reversal of 808415400 is 4514808.
It is an interprime number because it is at equal distance from previous prime (808415393) and next prime (808415407).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (808415407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44022 + ... + 59621.
It is an arithmetic number, because the mean of its divisors is an integer number (28113435).
Almost surely, 2808415400 is an apocalyptic number.
It is an amenable number.
808415400 is an abundant number, since it is smaller than the sum of its proper divisors (1890474360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
808415400 is a wasteful number, since it uses less digits than its factorization.
808415400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103675 (or 103666 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 30.
The square root of 808415400 is about 28432.6467287166. The cubic root of 808415400 is about 931.5614882213.
The spelling of 808415400 in words is "eight hundred eight million, four hundred fifteen thousand, four hundred".
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