Base | Representation |
---|---|
bin | 100000010011101… |
… | …011101001110110 |
3 | 1101202221000000000 |
4 | 200103223221312 |
5 | 2102224433304 |
6 | 125441332130 |
7 | 16301116500 |
oct | 4023535166 |
9 | 1352830000 |
10 | 542030454 |
11 | 258a64559 |
12 | 131637046 |
13 | 883acba4 |
14 | 51db6d70 |
15 | 328bb939 |
hex | 204eba76 |
542030454 has 120 divisors (see below), whose sum is σ = 1423706328. Its totient is φ = 154314720.
The previous prime is 542030407. The next prime is 542030459. The reversal of 542030454 is 454030245.
542030454 is a `hidden beast` number, since 5 + 4 + 203 + 0 + 454 = 666.
542030454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×5420304542 = 587594026126892232, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542030459) by changing a digit.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1928794 + ... + 1929074.
Almost surely, 2542030454 is an apocalyptic number.
542030454 is a gapful number since it is divisible by the number (54) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 542030454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711853164).
542030454 is an abundant number, since it is smaller than the sum of its proper divisors (881675874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
542030454 is an frugal number, since it uses more digits than its factorization.
542030454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 324 (or 293 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 27.
The square root of 542030454 is about 23281.5475001126. The cubic root of 542030454 is about 815.3446565657.
Adding to 542030454 its reverse (454030245), we get a palindrome (996060699).
The spelling of 542030454 in words is "five hundred forty-two million, thirty thousand, four hundred fifty-four".
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