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4240403213 = 18672271239
BaseRepresentation
bin1111110010111111…
…0110101100001101
3101221112001210122212
43330233312230031
532141020400323
61540434320205
7210036555404
oct37457665415
911845053585
104240403213
111886662772
129a4129065
13527683c37
142c325263b
1519c410b78
hexfcbf6b0d

4240403213 has 4 divisors (see below), whose sum is σ = 4242676320. Its totient is φ = 4238130108.

The previous prime is 4240403191. The next prime is 4240403239. The reversal of 4240403213 is 3123040424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4240403213 - 26 = 4240403149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240403273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133753 + ... + 1137486.

It is an arithmetic number, because the mean of its divisors is an integer number (1060669080).

Almost surely, 24240403213 is an apocalyptic number.

It is an amenable number.

4240403213 is a deficient number, since it is larger than the sum of its proper divisors (2273107).

4240403213 is a wasteful number, since it uses less digits than its factorization.

4240403213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273106.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4240403213 is about 65118.3784580052. The cubic root of 4240403213 is about 1618.5857714299.

Adding to 4240403213 its reverse (3123040424), we get a palindrome (7363443637).

The spelling of 4240403213 in words is "four billion, two hundred forty million, four hundred three thousand, two hundred thirteen".

Divisors: 1 1867 2271239 4240403213