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42234143 = 76198909
BaseRepresentation
bin1010000100011…
…1000100011111
32221110201100112
42201013010133
541302443033
64105120235
71021661420
oct241070437
987421315
1042234143
1121927156
121218907b
138999723
145875647
153a93c48
hex284711f

42234143 has 8 divisors (see below), whose sum is σ = 49059360. Its totient is φ = 35606880.

The previous prime is 42234113. The next prime is 42234151. The reversal of 42234143 is 34143224.

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 42234143 - 28 = 42233887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42234113) 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, 49028 + ... + 49881.

It is an arithmetic number, because the mean of its divisors is an integer number (6132420).

Almost surely, 242234143 is an apocalyptic number.

42234143 is a deficient number, since it is larger than the sum of its proper divisors (6825217).

42234143 is an equidigital number, since it uses as much as digits as its factorization.

42234143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98977.

The product of its digits is 2304, while the sum is 23.

The square root of 42234143 is about 6498.7801162988. The cubic root of 42234143 is about 348.2474101592.

Adding to 42234143 its reverse (34143224), we get a palindrome (76377367).

The spelling of 42234143 in words is "forty-two million, two hundred thirty-four thousand, one hundred forty-three".

Divisors: 1 7 61 427 98909 692363 6033449 42234143