Base | Representation |
---|---|
bin | 1001010110010… |
… | …10000001000010 |
3 | 12110120020212120 |
4 | 10223022001002 |
5 | 130034001312 |
6 | 11440505110 |
7 | 1641401544 |
oct | 453120102 |
9 | 173506776 |
10 | 78422082 |
11 | 402a3742 |
12 | 2231b196 |
13 | 1332a0cb |
14 | a5b5694 |
15 | 6d4128c |
hex | 4aca042 |
78422082 has 32 divisors (see below), whose sum is σ = 165580800. Its totient is φ = 24692688.
The previous prime is 78422077. The next prime is 78422087. The reversal of 78422082 is 28022487.
It is an interprime number because it is at equal distance from previous prime (78422077) and next prime (78422087).
It is not an unprimeable number, because it can be changed into a prime (78422087) 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, 49263 + ... + 50829.
It is an arithmetic number, because the mean of its divisors is an integer number (5174400).
Almost surely, 278422082 is an apocalyptic number.
78422082 is an abundant number, since it is smaller than the sum of its proper divisors (87158718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78422082 is a wasteful number, since it uses less digits than its factorization.
78422082 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2030.
The product of its (nonzero) digits is 14336, while the sum is 33.
The square root of 78422082 is about 8855.6243145246. The cubic root of 78422082 is about 428.0351712152.
The spelling of 78422082 in words is "seventy-eight million, four hundred twenty-two thousand, eighty-two".
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