Base | Representation |
---|---|
bin | 1001011001001… |
… | …11100000101010 |
3 | 12111021201011222 |
4 | 10230213200222 |
5 | 130133230114 |
6 | 11453022042 |
7 | 1644555200 |
oct | 454474052 |
9 | 174251158 |
10 | 78805034 |
11 | 40535430 |
12 | 22484922 |
13 | 134324c9 |
14 | a675070 |
15 | 6db998e |
hex | 4b2782a |
78805034 has 48 divisors (see below), whose sum is σ = 153752256. Its totient is φ = 29937600.
The previous prime is 78805021. The next prime is 78805037. The reversal of 78805034 is 43050887.
It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 78804985 and 78805003.
It is not an unprimeable number, because it can be changed into a prime (78805037) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43307 + ... + 45089.
It is an arithmetic number, because the mean of its divisors is an integer number (3203172).
Almost surely, 278805034 is an apocalyptic number.
78805034 is a deficient number, since it is larger than the sum of its proper divisors (74947222).
78805034 is a wasteful number, since it uses less digits than its factorization.
78805034 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1851 (or 1844 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 35.
The square root of 78805034 is about 8877.2199477089. The cubic root of 78805034 is about 428.7307696498.
The spelling of 78805034 in words is "seventy-eight million, eight hundred five thousand, thirty-four".
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