Base | Representation |
---|---|
bin | 1100111110111… |
… | …0011111100000 |
3 | 10210110120011201 |
4 | 3033232133200 |
5 | 102420013430 |
6 | 5223050544 |
7 | 1230565501 |
oct | 317563740 |
9 | 123416151 |
10 | 54454240 |
11 | 28813305 |
12 | 162a0a54 |
13 | b387959 |
14 | 7336ba8 |
15 | 4ba98ca |
hex | 33ee7e0 |
54454240 has 24 divisors (see below), whose sum is σ = 128648520. Its totient is φ = 21781632.
The previous prime is 54454217. The next prime is 54454243. The reversal of 54454240 is 4245445.
It is a junction number, because it is equal to n+sod(n) for n = 54454199 and 54454208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54454243) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170010 + ... + 170329.
It is an arithmetic number, because the mean of its divisors is an integer number (5360355).
Almost surely, 254454240 is an apocalyptic number.
It is an amenable number.
54454240 is an abundant number, since it is smaller than the sum of its proper divisors (74194280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54454240 is a wasteful number, since it uses less digits than its factorization.
54454240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 340354 (or 340346 counting only the distinct ones).
The product of its (nonzero) digits is 12800, while the sum is 28.
The square root of 54454240 is about 7379.3116210118. The cubic root of 54454240 is about 379.0331839979.
Adding to 54454240 its reverse (4245445), we get a palindrome (58699685).
The spelling of 54454240 in words is "fifty-four million, four hundred fifty-four thousand, two hundred forty".
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