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42962818 = 221481409
BaseRepresentation
bin1010001111100…
…0111110000010
32222211201220111
42203320332002
541444302233
64132501534
71031115013
oct243707602
988751814
1042962818
1122284668
121247a8aa
138b932b2
1459c500a
153b89acd
hex28f8f82

42962818 has 4 divisors (see below), whose sum is σ = 64444230. Its totient is φ = 21481408.

The previous prime is 42962813. The next prime is 42962851. The reversal of 42962818 is 81826924.

42962818 is nontrivially palindromic in base 16.

42962818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 25431849 + 17530969 = 5043^2 + 4187^2 .

It is a super-2 number, since 2×429628182 = 3691607461002248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42962813) 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 as a sum of consecutive naturals, namely, 10740703 + ... + 10740706.

Almost surely, 242962818 is an apocalyptic number.

42962818 is a deficient number, since it is larger than the sum of its proper divisors (21481412).

42962818 is a wasteful number, since it uses less digits than its factorization.

42962818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21481411.

The product of its digits is 55296, while the sum is 40.

The square root of 42962818 is about 6554.6028102395. The cubic root of 42962818 is about 350.2387975806.

The spelling of 42962818 in words is "forty-two million, nine hundred sixty-two thousand, eight hundred eighteen".

Divisors: 1 2 21481409 42962818