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6145231 is a prime number
BaseRepresentation
bin10111011100010011001111
3102120012200011
4113130103033
53033121411
6335414051
7103143061
oct27342317
912505604
106145231
113518004
122084327
131372141
14b5d731
15815c21
hex5dc4cf

6145231 has 2 divisors, whose sum is σ = 6145232. Its totient is φ = 6145230.

The previous prime is 6145229. The next prime is 6145261. The reversal of 6145231 is 1325416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6145231 - 21 = 6145229 is a prime.

It is a super-2 number, since 2×61452312 = 75527728086722, which contains 22 as substring.

Together with 6145229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6145261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3072615 + 3072616.

It is an arithmetic number, because the mean of its divisors is an integer number (3072616).

Almost surely, 26145231 is an apocalyptic number.

6145231 is a deficient number, since it is larger than the sum of its proper divisors (1).

6145231 is an equidigital number, since it uses as much as digits as its factorization.

6145231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 6145231 is about 2478.9576438495. The cubic root of 6145231 is about 183.1665101378.

The spelling of 6145231 in words is "six million, one hundred forty-five thousand, two hundred thirty-one".