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6142231 is a prime number
BaseRepresentation
bin10111011011100100010111
3102120001120001
4113123210113
53033022411
6335352131
7103131244
oct27334427
912501501
106142231
113515827
122082647
131370974
14b5c5cb
15814dc1
hex5db917

6142231 has 2 divisors, whose sum is σ = 6142232. Its totient is φ = 6142230.

The previous prime is 6142211. The next prime is 6142237. The reversal of 6142231 is 1322416.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6142231 is a prime.

It is a super-2 number, since 2×61422312 = 75454003314722, which contains 22 as substring.

6142231 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6142199 and 6142208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6142237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3071115 + 3071116.

It is an arithmetic number, because the mean of its divisors is an integer number (3071116).

Almost surely, 26142231 is an apocalyptic number.

6142231 is a deficient number, since it is larger than the sum of its proper divisors (1).

6142231 is an equidigital number, since it uses as much as digits as its factorization.

6142231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 6142231 is about 2478.3524769492. The cubic root of 6142231 is about 183.1366990006.

Adding to 6142231 its reverse (1322416), we get a palindrome (7464647).

The spelling of 6142231 in words is "six million, one hundred forty-two thousand, two hundred thirty-one".