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542434619 = 7989179431
BaseRepresentation
bin100000010101001…
…110010100111011
31101210200112102002
4200111032110323
52102330401434
6125454131215
716304422016
oct4025162473
91353615362
10542434619
11259210181
121317b0b0b
13884c1b3c
145208037d
153294b57e
hex2054e53b

542434619 has 16 divisors (see below), whose sum is σ = 559872000. Its totient is φ = 525370560.

The previous prime is 542434609. The next prime is 542434643. The reversal of 542434619 is 916434245.

It is not a de Polignac number, because 542434619 - 212 = 542430523 is a prime.

It is a super-2 number, since 2×5424346192 = 588470631779350322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542434609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1258334 + ... + 1258764.

It is an arithmetic number, because the mean of its divisors is an integer number (34992000).

Almost surely, 2542434619 is an apocalyptic number.

542434619 is a deficient number, since it is larger than the sum of its proper divisors (17437381).

542434619 is a wasteful number, since it uses less digits than its factorization.

542434619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778.

The product of its digits is 103680, while the sum is 38.

The square root of 542434619 is about 23290.2258254402. The cubic root of 542434619 is about 815.5472601273.

The spelling of 542434619 in words is "five hundred forty-two million, four hundred thirty-four thousand, six hundred nineteen".

Divisors: 1 79 89 179 431 7031 14141 15931 34049 38359 77149 1258549 3030361 6094771 6866261 542434619