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542859331 = 777551333
BaseRepresentation
bin100000010110110…
…110000001000011
31101211111010000011
4200112312001003
52102432444311
6125511205351
716311141160
oct4026660103
91354433004
10542859331
11259480283
12131976857
1388610251
1452151067
15329d2321
hex205b6043

542859331 has 4 divisors (see below), whose sum is σ = 620410672. Its totient is φ = 465307992.

The previous prime is 542859329. The next prime is 542859389. The reversal of 542859331 is 133958245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133958245 = 526791649.

It is a cyclic number.

It is not a de Polignac number, because 542859331 - 21 = 542859329 is a prime.

It is a super-2 number, since 2×5428593312 = 589392506507535122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (542856331) 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 3 ways as a sum of consecutive naturals, for example, 38775660 + ... + 38775673.

It is an arithmetic number, because the mean of its divisors is an integer number (155102668).

Almost surely, 2542859331 is an apocalyptic number.

542859331 is a deficient number, since it is larger than the sum of its proper divisors (77551341).

542859331 is an equidigital number, since it uses as much as digits as its factorization.

542859331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77551340.

The product of its digits is 129600, while the sum is 40.

The square root of 542859331 is about 23299.3418576577. The cubic root of 542859331 is about 815.7600552642.

The spelling of 542859331 in words is "five hundred forty-two million, eight hundred fifty-nine thousand, three hundred thirty-one".

Divisors: 1 7 77551333 542859331