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4239030 = 235141301
BaseRepresentation
bin10000001010111010110110
321222100212010
4100022322312
52041122110
6230505050
751013455
oct20127266
97870763
104239030
112435934
121505186
13b55603
147c4b9c
1558b020
hex40aeb6

4239030 has 16 divisors (see below), whose sum is σ = 10173744. Its totient is φ = 1130400.

The previous prime is 4239013. The next prime is 4239041. The reversal of 4239030 is 309324.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4238988 and 4239006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70621 + ... + 70680.

It is an arithmetic number, because the mean of its divisors is an integer number (635859).

Almost surely, 24239030 is an apocalyptic number.

4239030 is an abundant number, since it is smaller than the sum of its proper divisors (5934714).

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

4239030 is a wasteful number, since it uses less digits than its factorization.

4239030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141311.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 4239030 is about 2058.8904779031. The cubic root of 4239030 is about 161.8411031522.

It can be divided in two parts, 423 and 9030, that added together give a triangular number (9453 = T137).

The spelling of 4239030 in words is "four million, two hundred thirty-nine thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 141301 282602 423903 706505 847806 1413010 2119515 4239030