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4030243 = 72412389
BaseRepresentation
bin1111010111111100100011
321120202110021
433113330203
52012431433
6222214311
746153660
oct17277443
97522407
104030243
112302a88
121424397
13ab1579
1476ca67
1554922d
hex3d7f23

4030243 has 8 divisors (see below), whose sum is σ = 4627040. Its totient is φ = 3438720.

The previous prime is 4030219. The next prime is 4030277. The reversal of 4030243 is 3420304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4030243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4033243) 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, 493 + ... + 2881.

It is an arithmetic number, because the mean of its divisors is an integer number (578380).

Almost surely, 24030243 is an apocalyptic number.

4030243 is a deficient number, since it is larger than the sum of its proper divisors (596797).

4030243 is a wasteful number, since it uses less digits than its factorization.

4030243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 4030243 is about 2007.5465125371. The cubic root of 4030243 is about 159.1391658977.

Adding to 4030243 its reverse (3420304), we get a palindrome (7450547).

The spelling of 4030243 in words is "four million, thirty thousand, two hundred forty-three".

Divisors: 1 7 241 1687 2389 16723 575749 4030243