Base | Representation |
---|---|
bin | 1011111011010… |
… | …11010010000001 |
3 | 20222021021111002 |
4 | 11331223102001 |
5 | 201103213040 |
6 | 13532301345 |
7 | 2323306022 |
oct | 575532201 |
9 | 228237432 |
10 | 100054145 |
11 | 51529184 |
12 | 29611855 |
13 | 17962349 |
14 | d406c49 |
15 | 8bb5a15 |
hex | 5f6b481 |
100054145 has 8 divisors (see below), whose sum is σ = 122993640. Its totient is φ = 78090880.
The previous prime is 100054121. The next prime is 100054151. The reversal of 100054145 is 541450001.
It can be written as a sum of positive squares in 4 ways, for example, as 4092529 + 95961616 = 2023^2 + 9796^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 100054145 - 224 = 83276929 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243830 + ... + 244239.
It is an arithmetic number, because the mean of its divisors is an integer number (15374205).
Almost surely, 2100054145 is an apocalyptic number.
It is an amenable number.
100054145 is a deficient number, since it is larger than the sum of its proper divisors (22939495).
100054145 is an equidigital number, since it uses as much as digits as its factorization.
100054145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 488115.
The product of its (nonzero) digits is 400, while the sum is 20.
The square root of 100054145 is about 10002.7068836390. The cubic root of 100054145 is about 464.2426411887.
The spelling of 100054145 in words is "one hundred million, fifty-four thousand, one hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •