Base | Representation |
---|---|
bin | 1001010100111… |
… | …00010110010011 |
3 | 12110012202021121 |
4 | 10222130112103 |
5 | 130012010102 |
6 | 11432503111 |
7 | 1636662313 |
oct | 452342623 |
9 | 173182247 |
10 | 78235027 |
11 | 40186152 |
12 | 2224aa97 |
13 | 13292c20 |
14 | a567443 |
15 | 6d05b37 |
hex | 4a9c593 |
78235027 has 16 divisors (see below), whose sum is σ = 89026560. Its totient is φ = 68154912.
The previous prime is 78235021. The next prime is 78235033. The reversal of 78235027 is 72053287.
It is an interprime number because it is at equal distance from previous prime (78235021) and next prime (78235033).
It is a cyclic number.
It is not a de Polignac number, because 78235027 - 23 = 78235019 is a prime.
It is a super-2 number, since 2×782350272 = 12241438899381458, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 78234983 and 78235001.
It is not an unprimeable number, because it can be changed into a prime (78235021) 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 15 ways as a sum of consecutive naturals, for example, 94188 + ... + 95014.
It is an arithmetic number, because the mean of its divisors is an integer number (5564160).
Almost surely, 278235027 is an apocalyptic number.
78235027 is a deficient number, since it is larger than the sum of its proper divisors (10791533).
78235027 is a wasteful number, since it uses less digits than its factorization.
78235027 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1242.
The product of its (nonzero) digits is 23520, while the sum is 34.
The square root of 78235027 is about 8845.0566419894. The cubic root of 78235027 is about 427.6945789559.
The spelling of 78235027 in words is "seventy-eight million, two hundred thirty-five thousand, twenty-seven".
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