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42945153 = 316218831
BaseRepresentation
bin1010001111010…
…0101010000001
32222210211200020
42203310222001
541443221103
64132244053
71031012346
oct243645201
988724606
1042945153
1122272369
1212470629
138b88244
1459bc7cd
153b84753
hex28f4a81

42945153 has 8 divisors (see below), whose sum is σ = 57302016. Its totient is φ = 28609200.

The previous prime is 42945139. The next prime is 42945167. The reversal of 42945153 is 35154924.

It is an interprime number because it is at equal distance from previous prime (42945139) and next prime (42945167).

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

It is not a de Polignac number, because 42945153 - 217 = 42814081 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42945173) 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 7 ways as a sum of consecutive naturals, for example, 448 + ... + 9278.

It is an arithmetic number, because the mean of its divisors is an integer number (7162752).

Almost surely, 242945153 is an apocalyptic number.

It is an amenable number.

42945153 is a deficient number, since it is larger than the sum of its proper divisors (14356863).

42945153 is a wasteful number, since it uses less digits than its factorization.

42945153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10455.

The product of its digits is 21600, while the sum is 33.

The square root of 42945153 is about 6553.2551453457. The cubic root of 42945153 is about 350.1907884974.

The spelling of 42945153 in words is "forty-two million, nine hundred forty-five thousand, one hundred fifty-three".

Divisors: 1 3 1621 4863 8831 26493 14315051 42945153