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42886453 = 278915377
BaseRepresentation
bin1010001110011…
…0010100110101
32222200212011011
42203212110311
541434331303
64131112221
71030346251
oct243462465
988625134
1042886453
1122232255
1212442671
138b675cc
1459a5261
153b7216d
hex28e6535

42886453 has 4 divisors (see below), whose sum is σ = 42904620. Its totient is φ = 42868288.

The previous prime is 42886411. The next prime is 42886463. The reversal of 42886453 is 35468824.

42886453 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 2 ways, for example, as 38229489 + 4656964 = 6183^2 + 2158^2 .

It is a cyclic number.

It is not a de Polignac number, because 42886453 - 213 = 42878261 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 (42886463) 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 3 ways as a sum of consecutive naturals, for example, 4900 + ... + 10477.

It is an arithmetic number, because the mean of its divisors is an integer number (10726155).

Almost surely, 242886453 is an apocalyptic number.

It is an amenable number.

42886453 is a deficient number, since it is larger than the sum of its proper divisors (18167).

42886453 is a wasteful number, since it uses less digits than its factorization.

42886453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18166.

The product of its digits is 184320, while the sum is 40.

The square root of 42886453 is about 6548.7749236021. The cubic root of 42886453 is about 350.0311618513.

The spelling of 42886453 in words is "forty-two million, eight hundred eighty-six thousand, four hundred fifty-three".

Divisors: 1 2789 15377 42886453