Base | Representation |
---|---|
bin | 1100100100100… |
… | …10000010000000 |
3 | 21100102201002022 |
4 | 12102102002000 |
5 | 203444040434 |
6 | 14244141012 |
7 | 2420234102 |
oct | 622220200 |
9 | 240381068 |
10 | 105455744 |
11 | 54588509 |
12 | 2b397768 |
13 | 18b03b64 |
14 | 10011572 |
15 | 93d122e |
hex | 6492080 |
105455744 has 32 divisors (see below), whose sum is σ = 212471100. Its totient is φ = 52129792.
The previous prime is 105455741. The next prime is 105455761. The reversal of 105455744 is 447554501.
It can be written as a sum of positive squares in 2 ways, for example, as 86862400 + 18593344 = 9320^2 + 4312^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is a super-2 number, since 2×1054557442 = 22241827885187072, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (105455741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6764 + ... + 16020.
Almost surely, 2105455744 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 105455744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106235550).
105455744 is an abundant number, since it is smaller than the sum of its proper divisors (107015356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105455744 is an frugal number, since it uses more digits than its factorization.
105455744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9360 (or 9348 counting only the distinct ones).
The product of its (nonzero) digits is 56000, while the sum is 35.
The square root of 105455744 is about 10269.1647177363. The cubic root of 105455744 is about 472.4509718359.
The spelling of 105455744 in words is "one hundred five million, four hundred fifty-five thousand, seven hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •