Base | Representation |
---|---|
bin | 1100111110111… |
… | …0011110101111 |
3 | 10210110120002220 |
4 | 3033232132233 |
5 | 102420013231 |
6 | 5223050423 |
7 | 1230565401 |
oct | 317563657 |
9 | 123416086 |
10 | 54454191 |
11 | 28813270 |
12 | 162a0a13 |
13 | b38791c |
14 | 7336b71 |
15 | 4ba9896 |
hex | 33ee7af |
54454191 has 32 divisors (see below), whose sum is σ = 81962496. Its totient is φ = 31872000.
The previous prime is 54454187. The next prime is 54454201. The reversal of 54454191 is 19145445.
It is not a de Polignac number, because 54454191 - 22 = 54454187 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54454181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225831 + ... + 226071.
It is an arithmetic number, because the mean of its divisors is an integer number (2561328).
Almost surely, 254454191 is an apocalyptic number.
54454191 is a deficient number, since it is larger than the sum of its proper divisors (27508305).
54454191 is a wasteful number, since it uses less digits than its factorization.
54454191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 463.
The product of its digits is 14400, while the sum is 33.
The square root of 54454191 is about 7379.3083009182. The cubic root of 54454191 is about 379.0330703084.
It can be divided in two parts, 54454 and 191, that added together give a palindrome (54645).
The spelling of 54454191 in words is "fifty-four million, four hundred fifty-four thousand, one hundred ninety-one".
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