Search a number
-
+
42045171 = 372002151
BaseRepresentation
bin1010000001100…
…0111011110011
32221010010010120
42200120323303
541230421141
64101101323
71020243450
oct240307363
987103116
1042045171
1121808183
12120b7843
1389316cc
145826827
153a57c66
hex2818ef3

42045171 has 8 divisors (see below), whose sum is σ = 64068864. Its totient is φ = 24025800.

The previous prime is 42045161. The next prime is 42045181. The reversal of 42045171 is 17154024.

42045171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42045161) and next prime (42045181).

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

It is not a de Polignac number, because 42045171 - 25 = 42045139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42045121) 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, 1001055 + ... + 1001096.

It is an arithmetic number, because the mean of its divisors is an integer number (8008608).

Almost surely, 242045171 is an apocalyptic number.

42045171 is a deficient number, since it is larger than the sum of its proper divisors (22023693).

42045171 is a wasteful number, since it uses less digits than its factorization.

42045171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002161.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 42045171 is about 6484.2247801877. The cubic root of 42045171 is about 347.7272353959.

Adding to 42045171 its reverse (17154024), we get a palindrome (59199195).

The spelling of 42045171 in words is "forty-two million, forty-five thousand, one hundred seventy-one".

Divisors: 1 3 7 21 2002151 6006453 14015057 42045171