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42436061 = 712272633
BaseRepresentation
bin1010000111100…
…0010111011101
32221211222022222
42201320113131
541330423221
64113315125
71023462203
oct241702735
987758288
1042436061
1121a54928
1212265aa5
138a3a5c5
1458c9073
153ad39ab
hex28785dd

42436061 has 8 divisors (see below), whose sum is σ = 43239744. Its totient is φ = 41638240.

The previous prime is 42436033. The next prime is 42436073. The reversal of 42436061 is 16063424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42436061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42436061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42436021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14801 + ... + 17433.

It is an arithmetic number, because the mean of its divisors is an integer number (5404968).

Almost surely, 242436061 is an apocalyptic number.

It is an amenable number.

42436061 is a deficient number, since it is larger than the sum of its proper divisors (803683).

42436061 is a wasteful number, since it uses less digits than its factorization.

42436061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42436061 is about 6514.2966619582. The cubic root of 42436061 is about 348.8015089021.

Adding to 42436061 its reverse (16063424), we get a palindrome (58499485).

The spelling of 42436061 in words is "forty-two million, four hundred thirty-six thousand, sixty-one".

Divisors: 1 71 227 2633 16117 186943 597691 42436061