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42652191 = 343132987
BaseRepresentation
bin1010001010110…
…1001000011111
32222020221210210
42202231020133
541404332231
64122103503
71025352261
oct242551037
988227723
1042652191
112209224a
121234ab93
138ab4aaa
145943b31
153b27a46
hex28ad21f

42652191 has 8 divisors (see below), whose sum is σ = 57003264. Its totient is φ = 28367960.

The previous prime is 42652151. The next prime is 42652217. The reversal of 42652191 is 19125624.

42652191 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 a cyclic number.

It is not a de Polignac number, because 42652191 - 211 = 42650143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42652111) 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, 15201 + ... + 17786.

It is an arithmetic number, because the mean of its divisors is an integer number (7125408).

Almost surely, 242652191 is an apocalyptic number.

42652191 is a deficient number, since it is larger than the sum of its proper divisors (14351073).

42652191 is a wasteful number, since it uses less digits than its factorization.

42652191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33421.

The product of its digits is 4320, while the sum is 30.

The square root of 42652191 is about 6530.8644910150. The cubic root of 42652191 is about 349.3926637383.

The spelling of 42652191 in words is "forty-two million, six hundred fifty-two thousand, one hundred ninety-one".

Divisors: 1 3 431 1293 32987 98961 14217397 42652191