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542223143 = 71121737657
BaseRepresentation
bin100000010100011…
…010101100100111
31101210021210022122
4200110122230213
52102302120033
6125445420155
716302551330
oct4024325447
91353253278
10542223143
11259086300
1213170a65b
13884497c7
1452027287
1532908a98
hex2051ab27

542223143 has 24 divisors (see below), whose sum is σ = 721226016. Its totient is φ = 397647360.

The previous prime is 542223127. The next prime is 542223167. The reversal of 542223143 is 341322245.

It is not a de Polignac number, because 542223143 - 24 = 542223127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542223173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4430 + ... + 33227.

It is an arithmetic number, because the mean of its divisors is an integer number (30051084).

Almost surely, 2542223143 is an apocalyptic number.

542223143 is a deficient number, since it is larger than the sum of its proper divisors (179002873).

542223143 is a wasteful number, since it uses less digits than its factorization.

542223143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37703 (or 37692 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 542223143 is about 23285.6853667656. The cubic root of 542223143 is about 815.4412620436.

Adding to 542223143 its reverse (341322245), we get a palindrome (883545388).

The spelling of 542223143 in words is "five hundred forty-two million, two hundred twenty-three thousand, one hundred forty-three".

Divisors: 1 7 11 17 77 119 121 187 847 1309 2057 14399 37657 263599 414227 640169 2899589 4481183 4556497 7041859 31895479 49293013 77460449 542223143