Base | Representation |
---|---|
bin | 1100100110000… |
… | …10011101111010 |
3 | 21100210210020020 |
4 | 12103002131322 |
5 | 204021413023 |
6 | 14252311310 |
7 | 2422021362 |
oct | 623023572 |
9 | 240723206 |
10 | 105654138 |
11 | 54703577 |
12 | 2b472536 |
13 | 18b73255 |
14 | 100639a2 |
15 | 941ede3 |
hex | 64c277a |
105654138 has 16 divisors (see below), whose sum is σ = 218125056. Its totient is φ = 34081920.
The previous prime is 105654137. The next prime is 105654151. The reversal of 105654138 is 831456501.
It is a super-2 number, since 2×1056541382 = 22325593753046088, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 105654099 and 105654108.
It is not an unprimeable number, because it can be changed into a prime (105654137) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283831 + ... + 284202.
It is an arithmetic number, because the mean of its divisors is an integer number (13632816).
Almost surely, 2105654138 is an apocalyptic number.
105654138 is an abundant number, since it is smaller than the sum of its proper divisors (112470918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105654138 is a wasteful number, since it uses less digits than its factorization.
105654138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 568069.
The product of its (nonzero) digits is 14400, while the sum is 33.
The square root of 105654138 is about 10278.8198738960. The cubic root of 105654138 is about 472.7470604031.
The spelling of 105654138 in words is "one hundred five million, six hundred fifty-four thousand, one hundred thirty-eight".
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