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542428386 = 23142763353
BaseRepresentation
bin100000010101001…
…100110011100010
31101210200012212020
4200111030303202
52102330202021
6125454042310
716304364603
oct4025146342
91353605766
10542428386
11259206525
121317a9396
13884bc056
145207bdaa
15329497c6
hex2054cce2

542428386 has 16 divisors (see below), whose sum is σ = 1085634144. Its totient is φ = 180679904.

The previous prime is 542428379. The next prime is 542428417. The reversal of 542428386 is 683824245.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23115 + ... + 40238.

It is an arithmetic number, because the mean of its divisors is an integer number (67852134).

Almost surely, 2542428386 is an apocalyptic number.

542428386 is an abundant number, since it is smaller than the sum of its proper divisors (543205758).

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

542428386 is a wasteful number, since it uses less digits than its factorization.

542428386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64785.

The product of its digits is 368640, while the sum is 42.

The square root of 542428386 is about 23290.0920135580. The cubic root of 542428386 is about 815.5441363557.

The spelling of 542428386 in words is "five hundred forty-two million, four hundred twenty-eight thousand, three hundred eighty-six".

Divisors: 1 2 3 6 1427 2854 4281 8562 63353 126706 190059 380118 90404731 180809462 271214193 542428386