Base | Representation |
---|---|
bin | 1001010101111… |
… | …11000111111100 |
3 | 12110110222200012 |
4 | 10222333013330 |
5 | 130031034333 |
6 | 11435522352 |
7 | 1641124511 |
oct | 452770774 |
9 | 173428605 |
10 | 78377468 |
11 | 40273174 |
12 | 222b93b8 |
13 | 13312a00 |
14 | a5a3308 |
15 | 6d32e48 |
hex | 4abf1fc |
78377468 has 54 divisors (see below), whose sum is σ = 157194072. Its totient is φ = 34114080.
The previous prime is 78377461. The next prime is 78377479. The reversal of 78377468 is 86477387.
78377468 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×783774682 = 12286054980182048, which contains 22 as substring.
78377468 is strictly pandigital in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78377461) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1103873 + ... + 1103943.
Almost surely, 278377468 is an apocalyptic number.
It is an amenable number.
78377468 is an abundant number, since it is smaller than the sum of its proper divisors (78816604).
78377468 is a wasteful number, since it uses less digits than its factorization.
78377468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 195 (or 109 counting only the distinct ones).
The product of its digits is 1580544, while the sum is 50.
The square root of 78377468 is about 8853.1049920353. The cubic root of 78377468 is about 427.9539866684.
The spelling of 78377468 in words is "seventy-eight million, three hundred seventy-seven thousand, four hundred sixty-eight".
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