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541142140 = 225711351391
BaseRepresentation
bin100000010000010…
…010110001111100
31101201020212110111
4200100102301330
52102013022030
6125410315404
716260426610
oct4020226174
91351225414
10541142140
11258508110
12131288b64
138815b766
1451c25340
153279362a
hex20412c7c

541142140 has 48 divisors (see below), whose sum is σ = 1416812544. Its totient is φ = 168667200.

The previous prime is 541142111. The next prime is 541142153. The reversal of 541142140 is 41241145.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174156 + ... + 177235.

It is an arithmetic number, because the mean of its divisors is an integer number (29516928).

Almost surely, 2541142140 is an apocalyptic number.

It is an amenable number.

541142140 is an abundant number, since it is smaller than the sum of its proper divisors (875670404).

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

541142140 is a wasteful number, since it uses less digits than its factorization.

541142140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351418 (or 351416 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 541142140 is about 23262.4620365085. The cubic root of 541142140 is about 814.8990001178.

Adding to 541142140 its reverse (41241145), we get a palindrome (582383285).

The spelling of 541142140 in words is "five hundred forty-one million, one hundred forty-two thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 351391 702782 1405564 1756955 2459737 3513910 3865301 4919474 7027820 7730602 9838948 12298685 15461204 19326505 24597370 27057107 38653010 49194740 54114214 77306020 108228428 135285535 270571070 541142140