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42952481 = 1113300367
BaseRepresentation
bin1010001111011…
…0011100100001
32222211012201122
42203312130201
541443434411
64132342025
71031042615
oct243663441
988735648
1042952481
1122277920
1212474915
138b8b690
1459c1345
153b869db
hex28f6721

42952481 has 8 divisors (see below), whose sum is σ = 50461824. Its totient is φ = 36043920.

The previous prime is 42952471. The next prime is 42952487. The reversal of 42952481 is 18425924.

42952481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42952481 - 214 = 42936097 is a prime.

It is a super-2 number, since 2×429524812 = 3689831248110722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42952487) 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 7 ways as a sum of consecutive naturals, for example, 150041 + ... + 150326.

It is an arithmetic number, because the mean of its divisors is an integer number (6307728).

Almost surely, 242952481 is an apocalyptic number.

It is an amenable number.

42952481 is a deficient number, since it is larger than the sum of its proper divisors (7509343).

42952481 is a wasteful number, since it uses less digits than its factorization.

42952481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300391.

The product of its digits is 23040, while the sum is 35.

The square root of 42952481 is about 6553.8142329486. The cubic root of 42952481 is about 350.2107057792.

It can be divided in two parts, 4295 and 2481, that added together give a palindrome (6776).

The spelling of 42952481 in words is "forty-two million, nine hundred fifty-two thousand, four hundred eighty-one".

Divisors: 1 11 13 143 300367 3304037 3904771 42952481