Base | Representation |
---|---|
bin | 1100111001001… |
… | …1101010001111 |
3 | 10202202122211010 |
4 | 3032103222033 |
5 | 102321112231 |
6 | 5211100303 |
7 | 1224456012 |
oct | 316235217 |
9 | 122678733 |
10 | 54082191 |
11 | 28589829 |
12 | 16141693 |
13 | b2874c7 |
14 | 727b379 |
15 | 4b34546 |
hex | 3393a8f |
54082191 has 8 divisors (see below), whose sum is σ = 73125504. Its totient is φ = 35546840.
The previous prime is 54082169. The next prime is 54082211. The reversal of 54082191 is 19128045.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 54082191 - 25 = 54082159 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54082141) 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, 126741 + ... + 127166.
It is an arithmetic number, because the mean of its divisors is an integer number (9140688).
Almost surely, 254082191 is an apocalyptic number.
54082191 is a deficient number, since it is larger than the sum of its proper divisors (19043313).
54082191 is a wasteful number, since it uses less digits than its factorization.
54082191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 253981.
The product of its (nonzero) digits is 2880, while the sum is 30.
The square root of 54082191 is about 7354.0594911926. The cubic root of 54082191 is about 378.1679847407.
The spelling of 54082191 in words is "fifty-four million, eighty-two thousand, one hundred ninety-one".
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