Base | Representation |
---|---|
bin | 1100111100010… |
… | …0010010110111 |
3 | 10210010210002012 |
4 | 3033010102313 |
5 | 102344001044 |
6 | 5215234435 |
7 | 1226245544 |
oct | 317042267 |
9 | 123123065 |
10 | 54281399 |
11 | 28705467 |
12 | 16218a1b |
13 | b327093 |
14 | 72cdbcb |
15 | 4b7359e |
hex | 33c44b7 |
54281399 has 8 divisors (see below), whose sum is σ = 55366992. Its totient is φ = 53202240.
The previous prime is 54281393. The next prime is 54281407. The reversal of 54281399 is 99318245.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-54281399 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54281393) 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, 17672 + ... + 20514.
It is an arithmetic number, because the mean of its divisors is an integer number (6920874).
Almost surely, 254281399 is an apocalyptic number.
54281399 is a deficient number, since it is larger than the sum of its proper divisors (1085593).
54281399 is a wasteful number, since it uses less digits than its factorization.
54281399 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3217.
The product of its digits is 77760, while the sum is 41.
The square root of 54281399 is about 7367.5911260058. The cubic root of 54281399 is about 378.6317343248.
The spelling of 54281399 in words is "fifty-four million, two hundred eighty-one thousand, three hundred ninety-nine".
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