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542030454 = 23972281
BaseRepresentation
bin100000010011101…
…011101001110110
31101202221000000000
4200103223221312
52102224433304
6125441332130
716301116500
oct4023535166
91352830000
10542030454
11258a64559
12131637046
13883acba4
1451db6d70
15328bb939
hex204eba76

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".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 49 54 63 81 98 126 147 162 189 243 281 294 378 441 486 562 567 729 843 882 1134 1323 1458 1686 1701 1967 2187 2529 2646 3402 3934 3969 4374 5058 5103 5901 6561 7587 7938 10206 11802 11907 13122 13769 15174 15309 17703 19683 22761 23814 27538 30618 35406 35721 39366 41307 45522 45927 53109 68283 71442 82614 91854 106218 107163 123921 136566 137781 159327 204849 214326 247842 275562 318654 321489 371763 409698 477981 614547 642978 743526 955962 964467 1115289 1229094 1433943 1843641 1928934 2230578 2867886 3345867 3687282 4301829 5530923 6691734 8603658 10037601 11061846 12905487 20075202 25810974 30112803 38716461 60225606 77432922 90338409 180676818 271015227 542030454