Base | Representation |
---|---|
bin | 1100100111110… |
… | …11100101001110 |
3 | 21101020200010200 |
4 | 12103323211032 |
5 | 204101404303 |
6 | 14301314330 |
7 | 2424014412 |
oct | 623734516 |
9 | 241220120 |
10 | 105888078 |
11 | 5485330a |
12 | 2b5659a6 |
13 | 18c2588a |
14 | 100c4d42 |
15 | 94693a3 |
hex | 64fb94e |
105888078 has 24 divisors (see below), whose sum is σ = 229910616. Its totient is φ = 35221200.
The previous prime is 105888049. The next prime is 105888089. The reversal of 105888078 is 870888501.
It is a happy number.
It is a super-2 number, since 2×1058880782 = 22424570125068168, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2848 + ... + 14828.
It is an arithmetic number, because the mean of its divisors is an integer number (9579609).
Almost surely, 2105888078 is an apocalyptic number.
105888078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
105888078 is an abundant number, since it is smaller than the sum of its proper divisors (124022538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105888078 is a wasteful number, since it uses less digits than its factorization.
105888078 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12480 (or 12477 counting only the distinct ones).
The product of its (nonzero) digits is 143360, while the sum is 45.
The square root of 105888078 is about 10290.1932926452. The cubic root of 105888078 is about 473.0957229461.
The spelling of 105888078 in words is "one hundred five million, eight hundred eighty-eight thousand, seventy-eight".
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