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542442214 = 2271221107
BaseRepresentation
bin100000010101010…
…000001011100110
31101210200220211101
4200111100023212
52102331122324
6125454230314
716304453116
oct4025201346
91353626741
10542442214
11259215956
121317b539a
13884c5432
1452083046
153294d944
hex205502e6

542442214 has 4 divisors (see below), whose sum is σ = 813663324. Its totient is φ = 271221106.

The previous prime is 542442211. The next prime is 542442221. The reversal of 542442214 is 412244245.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542442211) 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 as a sum of consecutive naturals, namely, 135610552 + ... + 135610555.

It is an arithmetic number, because the mean of its divisors is an integer number (203415831).

Almost surely, 2542442214 is an apocalyptic number.

542442214 is a deficient number, since it is larger than the sum of its proper divisors (271221110).

542442214 is a wasteful number, since it uses less digits than its factorization.

542442214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271221109.

The product of its digits is 10240, while the sum is 28.

The square root of 542442214 is about 23290.3888761008. The cubic root of 542442214 is about 815.5510664555.

Adding to 542442214 its reverse (412244245), we get a palindrome (954686459).

The spelling of 542442214 in words is "five hundred forty-two million, four hundred forty-two thousand, two hundred fourteen".

Divisors: 1 2 271221107 542442214