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2440230213 = 3899139439
BaseRepresentation
bin1001000101110010…
…1111010101000101
320022001201112112210
42101130233111011
514444144331323
61042050334033
7114320420541
oct22134572505
96261645483
102440230213
1110424a0093
1258128a319
132cb733205
14192132a21
15e4371293
hex9172f545

2440230213 has 8 divisors (see below), whose sum is σ = 3290198400. Its totient is φ = 1608541088.

The previous prime is 2440230181. The next prime is 2440230217. The reversal of 2440230213 is 3120320442.

2440230213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2440230213 - 25 = 2440230181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2440230213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440230217) 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, 4569453 + ... + 4569986.

It is an arithmetic number, because the mean of its divisors is an integer number (411274800).

Almost surely, 22440230213 is an apocalyptic number.

It is an amenable number.

2440230213 is a deficient number, since it is larger than the sum of its proper divisors (849968187).

2440230213 is an equidigital number, since it uses as much as digits as its factorization.

2440230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9139531.

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

The square root of 2440230213 is about 49398.6863489304. The cubic root of 2440230213 is about 1346.3054379121.

Adding to 2440230213 its reverse (3120320442), we get a palindrome (5560550655).

It can be divided in two parts, 24402 and 30213, that added together give a triangular number (54615 = T330).

The spelling of 2440230213 in words is "two billion, four hundred forty million, two hundred thirty thousand, two hundred thirteen".

Divisors: 1 3 89 267 9139439 27418317 813410071 2440230213