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42852145 = 571224347
BaseRepresentation
bin1010001101110…
…1111100110001
32222122010002111
42203131330301
541432232040
64130245321
71030144240
oct243357461
988563074
1042852145
11222094a6
1212426841
138b54acb
145996957
153b66dea
hex28ddf31

42852145 has 8 divisors (see below), whose sum is σ = 58768704. Its totient is φ = 29384304.

The previous prime is 42852133. The next prime is 42852149. The reversal of 42852145 is 54125824.

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

It is a cyclic number.

It is not a de Polignac number, because 42852145 - 211 = 42850097 is a prime.

It is a super-2 number, since 2×428521452 = 3672612662202050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42852149) 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, 612139 + ... + 612208.

It is an arithmetic number, because the mean of its divisors is an integer number (7346088).

Almost surely, 242852145 is an apocalyptic number.

It is an amenable number.

42852145 is a deficient number, since it is larger than the sum of its proper divisors (15916559).

42852145 is a wasteful number, since it uses less digits than its factorization.

42852145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224359.

The product of its digits is 12800, while the sum is 31.

The square root of 42852145 is about 6546.1549783060. The cubic root of 42852145 is about 349.9377984701.

Adding to 42852145 its reverse (54125824), we get a palindrome (96977969).

The spelling of 42852145 in words is "forty-two million, eight hundred fifty-two thousand, one hundred forty-five".

Divisors: 1 5 7 35 1224347 6121735 8570429 42852145