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6442230 = 235214741
BaseRepresentation
bin11000100100110011110110
3110010022002010
4120210303312
53122122410
6350025050
7105521004
oct30446366
913108063
106442230
113700163
1221a8186
131447392
14bd9a74
15873c20
hex624cf6

6442230 has 16 divisors (see below), whose sum is σ = 15461424. Its totient is φ = 1717920.

The previous prime is 6442223. The next prime is 6442237. The reversal of 6442230 is 322446.

6442230 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6442223) and next prime (6442237).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6442197 and 6442206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442237) 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, 107341 + ... + 107400.

It is an arithmetic number, because the mean of its divisors is an integer number (966339).

Almost surely, 26442230 is an apocalyptic number.

6442230 is an abundant number, since it is smaller than the sum of its proper divisors (9019194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6442230 is a wasteful number, since it uses less digits than its factorization.

6442230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214751.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 6442230 is about 2538.1548416123. The cubic root of 6442230 is about 186.0710215541.

Adding to 6442230 its reverse (322446), we get a palindrome (6764676).

The spelling of 6442230 in words is "six million, four hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 214741 429482 644223 1073705 1288446 2147410 3221115 6442230