Base | Representation |
---|---|
bin | 1100111000100… |
… | …1011100001011 |
3 | 10202200112101202 |
4 | 3032021130023 |
5 | 102313242311 |
6 | 5210134415 |
7 | 1224222662 |
oct | 316113413 |
9 | 122615352 |
10 | 54040331 |
11 | 28560334 |
12 | 1612140b |
13 | b271437 |
14 | 7269dd9 |
15 | 4b26e3b |
hex | 338970b |
54040331 has 4 divisors (see below), whose sum is σ = 57219192. Its totient is φ = 50861472.
The previous prime is 54040319. The next prime is 54040361. The reversal of 54040331 is 13304045.
54040331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13304045 = 5 ⋅2660809.
It is a cyclic number.
It is not a de Polignac number, because 54040331 - 26 = 54040267 is a prime.
It is a super-3 number, since 3×540403313 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54040361) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1589405 + ... + 1589438.
It is an arithmetic number, because the mean of its divisors is an integer number (14304798).
Almost surely, 254040331 is an apocalyptic number.
54040331 is a deficient number, since it is larger than the sum of its proper divisors (3178861).
54040331 is a wasteful number, since it uses less digits than its factorization.
54040331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3178860.
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 54040331 is about 7351.2128931218. The cubic root of 54040331 is about 378.0703913215.
Adding to 54040331 its reverse (13304045), we get a palindrome (67344376).
The spelling of 54040331 in words is "fifty-four million, forty thousand, three hundred thirty-one".
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