Base | Representation |
---|---|
bin | 1001010011111… |
… | …00011000100001 |
3 | 12102222002200100 |
4 | 10221330120201 |
5 | 124443312342 |
6 | 11430013013 |
7 | 1635605511 |
oct | 451743041 |
9 | 172862610 |
10 | 78104097 |
11 | 400a6845 |
12 | 221a7169 |
13 | 13248456 |
14 | a531841 |
15 | 6ccbe4c |
hex | 4a7c621 |
78104097 has 24 divisors (see below), whose sum is σ = 116999168. Its totient is φ = 50155200.
The previous prime is 78104093. The next prime is 78104101. The reversal of 78104097 is 79040187.
It is an interprime number because it is at equal distance from previous prime (78104093) and next prime (78104101).
It is not a de Polignac number, because 78104097 - 22 = 78104093 is a prime.
It is a super-2 number, since 2×781040972 = 12200499936370818, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (78104093) 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, 75093 + ... + 76125.
Almost surely, 278104097 is an apocalyptic number.
It is an amenable number.
78104097 is a deficient number, since it is larger than the sum of its proper divisors (38895071).
78104097 is a wasteful number, since it uses less digits than its factorization.
78104097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1341 (or 1338 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 36.
The square root of 78104097 is about 8837.6522334837. The cubic root of 78104097 is about 427.4558567326.
The spelling of 78104097 in words is "seventy-eight million, one hundred four thousand, ninety-seven".
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