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542452120 = 23571937329
BaseRepresentation
bin100000010101010…
…010100110011000
31101210201102102021
4200111102212120
52102331431440
6125454344224
716304524030
oct4025224630
91353642367
10542452120
11259222341
121317bb074
13884c9ab2
14520868c0
153295184a
hex20552998

542452120 has 32 divisors (see below), whose sum is σ = 1394877600. Its totient is φ = 185983488.

The previous prime is 542452111. The next prime is 542452121. The reversal of 542452120 is 21254245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542452121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 968385 + ... + 968944.

It is an arithmetic number, because the mean of its divisors is an integer number (43589925).

Almost surely, 2542452120 is an apocalyptic number.

It is an amenable number.

542452120 is an abundant number, since it is smaller than the sum of its proper divisors (852425480).

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

542452120 is a wasteful number, since it uses less digits than its factorization.

542452120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937347 (or 1937343 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 542452120 is about 23290.6015379595. The cubic root of 542452120 is about 815.5560309165.

It can be divided in two parts, 54245 and 2120, that added together give a palindrome (56365).

The spelling of 542452120 in words is "five hundred forty-two million, four hundred fifty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1937329 3874658 7749316 9686645 13561303 15498632 19373290 27122606 38746580 54245212 67806515 77493160 108490424 135613030 271226060 542452120