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42341231 = 173244747
BaseRepresentation
bin1010000110000…
…1001101101111
32221200011020202
42201201031233
541314404411
64111304115
71022615552
oct241411557
987604222
1042341231
112199a659
121221b03b
138a063aa
1458a2699
153ab583b
hex286136f

42341231 has 4 divisors (see below), whose sum is σ = 42586152. Its totient is φ = 42096312.

The previous prime is 42341227. The next prime is 42341239. The reversal of 42341231 is 13214324.

42341231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42341231 - 22 = 42341227 is a prime.

It is a super-2 number, since 2×423412312 = 3585559685190722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42341239) 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 3 ways as a sum of consecutive naturals, for example, 122201 + ... + 122546.

It is an arithmetic number, because the mean of its divisors is an integer number (10646538).

Almost surely, 242341231 is an apocalyptic number.

42341231 is a deficient number, since it is larger than the sum of its proper divisors (244921).

42341231 is a wasteful number, since it uses less digits than its factorization.

42341231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244920.

The product of its digits is 576, while the sum is 20.

The square root of 42341231 is about 6507.0139849243. The cubic root of 42341231 is about 348.5414979947.

Adding to 42341231 its reverse (13214324), we get a palindrome (55555555).

The spelling of 42341231 in words is "forty-two million, three hundred forty-one thousand, two hundred thirty-one".

Divisors: 1 173 244747 42341231