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42141413 = 53795121
BaseRepresentation
bin1010000011000…
…0011011100101
32221022000011002
42200300123211
541242011123
64103123045
71021124156
oct240603345
987260132
1042141413
1121873516
1212143485
138966462
14584d92d
153a76528
hex28306e5

42141413 has 4 divisors (see below), whose sum is σ = 42936588. Its totient is φ = 41346240.

The previous prime is 42141403. The next prime is 42141443. The reversal of 42141413 is 31414124.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10252804 + 31888609 = 3202^2 + 5647^2 .

It is a cyclic number.

It is not a de Polignac number, because 42141413 - 220 = 41092837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42141403) 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, 397508 + ... + 397613.

It is an arithmetic number, because the mean of its divisors is an integer number (10734147).

Almost surely, 242141413 is an apocalyptic number.

It is an amenable number.

42141413 is a deficient number, since it is larger than the sum of its proper divisors (795175).

42141413 is an equidigital number, since it uses as much as digits as its factorization.

42141413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795174.

The product of its digits is 384, while the sum is 20.

The square root of 42141413 is about 6491.6417800122. The cubic root of 42141413 is about 347.9923507589.

Adding to 42141413 its reverse (31414124), we get a palindrome (73555537).

The spelling of 42141413 in words is "forty-two million, one hundred forty-one thousand, four hundred thirteen".

Divisors: 1 53 795121 42141413