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5442420240 = 243352519639
BaseRepresentation
bin1010001000110010…
…01011111000010000
3112001021212121001000
411010121023320100
542121224421430
62300013542000
7251603544255
oct50431137020
915037777030
105442420240
112343116974
12107a7a4900
1368970350a
14398b4942c
1521cbe8e60
hex14464be10

5442420240 has 80 divisors (see below), whose sum is σ = 18746121600. Its totient is φ = 1451311488.

The previous prime is 5442420121. The next prime is 5442420253. The reversal of 5442420240 is 420242445.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1257660 + ... + 1261979.

It is an arithmetic number, because the mean of its divisors is an integer number (234326520).

Almost surely, 25442420240 is an apocalyptic number.

It is an amenable number.

5442420240 is an abundant number, since it is smaller than the sum of its proper divisors (13303701360).

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

5442420240 is a wasteful number, since it uses less digits than its factorization.

5442420240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519661 (or 2519649 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 5442420240 is about 73772.7608267442. The cubic root of 5442420240 is about 1758.9926484056.

Adding to 5442420240 its reverse (420242445), we get a palindrome (5862662685).

The spelling of 5442420240 in words is "five billion, four hundred forty-two million, four hundred twenty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 90 108 120 135 144 180 216 240 270 360 432 540 720 1080 2160 2519639 5039278 7558917 10078556 12598195 15117834 20157112 22676751 25196390 30235668 37794585 40314224 45353502 50392780 60471336 68030253 75589170 90707004 100785560 113383755 120942672 136060506 151178340 181414008 201571120 226767510 272121012 302356680 340151265 362828016 453535020 544242024 604713360 680302530 907070040 1088484048 1360605060 1814140080 2721210120 5442420240