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544971420 = 223257617701
BaseRepresentation
bin100000011110111…
…001101010011100
31101222110102020200
4200132321222130
52104003041140
6130024343500
716335115650
oct4036715234
91358412220
10544971420
1125a693104
12132614b90
1388b9c6c6
1452540a60
1532c9d030
hex207b9a9c

544971420 has 144 divisors (see below), whose sum is σ = 1894995648. Its totient is φ = 124185600.

The previous prime is 544971419. The next prime is 544971421. The reversal of 544971420 is 24179445.

It is a happy number.

544971420 is a `hidden beast` number, since 544 + 9 + 71 + 42 + 0 = 666.

544971420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (544971419) and next prime (544971421).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544971421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 777070 + ... + 777770.

It is an arithmetic number, because the mean of its divisors is an integer number (13159692).

Almost surely, 2544971420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 544971420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (947497824).

544971420 is an abundant number, since it is smaller than the sum of its proper divisors (1350024228).

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

544971420 is a wasteful number, since it uses less digits than its factorization.

544971420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 544971420 is about 23344.6229354856. The cubic root of 544971420 is about 816.8166384764.

The spelling of 544971420 in words is "five hundred forty-four million, nine hundred seventy-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 617 630 701 1234 1260 1402 1851 2103 2468 2804 3085 3505 3702 4206 4319 4907 5553 6170 6309 7010 7404 8412 8638 9255 9814 10515 11106 12340 12618 12957 14020 14721 17276 18510 19628 21030 21595 22212 24535 25236 25914 27765 29442 31545 37020 38871 42060 43190 44163 49070 51828 55530 58884 63090 64785 73605 77742 86380 88326 98140 111060 126180 129570 147210 155484 176652 194355 220815 259140 294420 388710 432517 441630 777420 865034 883260 1297551 1730068 2162585 2595102 3027619 3892653 4325170 5190204 6055238 6487755 7785306 8650340 9082857 12110476 12975510 15138095 15570612 18165714 19463265 25951020 27248571 30276190 36331428 38926530 45414285 54497142 60552380 77853060 90828570 108994284 136242855 181657140 272485710 544971420