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542454430 = 25731457547
BaseRepresentation
bin100000010101010…
…011001010011110
31101210201112120211
4200111103022132
52102332020210
6125454403034
716304533540
oct4025231236
91353645524
10542454430
11259224051
1213180047a
13884cab6b
1452087690
153295238a
hex2055329e

542454430 has 64 divisors (see below), whose sum is σ = 1156534272. Its totient is φ = 179262720.

The previous prime is 542454421. The next prime is 542454431. The reversal of 542454430 is 34454245.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 542454392 and 542454401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542454431) 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 31 ways as a sum of consecutive naturals, for example, 991417 + ... + 991963.

It is an arithmetic number, because the mean of its divisors is an integer number (18070848).

Almost surely, 2542454430 is an apocalyptic number.

542454430 is an abundant number, since it is smaller than the sum of its proper divisors (614079842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542454430 is a wasteful number, since it uses less digits than its factorization.

542454430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 542454430 is about 23290.6511287254. The cubic root of 542454430 is about 815.5571885804.

The spelling of 542454430 in words is "five hundred forty-two million, four hundred fifty-four thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 457 547 914 1085 1094 2170 2285 2735 3199 3829 4570 5470 6398 7658 14167 15995 16957 19145 28334 31990 33914 38290 70835 84785 99169 118699 141670 169570 198338 237398 249979 495845 499958 593495 991690 1186990 1249895 1749853 2499790 3499706 7749349 8749265 15498698 17498530 38746745 54245443 77493490 108490886 271227215 542454430