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2238231243 = 31076972683
BaseRepresentation
bin1000010101101000…
…1011001011001011
312202222121221001110
42011122023023023
514040441344433
61010033021403
7106315436343
oct20532131313
95688557043
102238231243
11a49472296
125256b4863
132989290b1
1417338dd23
15d176e963
hex8568b2cb

2238231243 has 8 divisors (see below), whose sum is σ = 3012199488. Its totient is φ = 1478208584.

The previous prime is 2238231211. The next prime is 2238231277. The reversal of 2238231243 is 3421328322.

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 2238231243 - 25 = 2238231211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2238231243.

It is not an unprimeable number, because it can be changed into a prime (2238231283) 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, 3486021 + ... + 3486662.

It is an arithmetic number, because the mean of its divisors is an integer number (376524936).

Almost surely, 22238231243 is an apocalyptic number.

2238231243 is a deficient number, since it is larger than the sum of its proper divisors (773968245).

2238231243 is a wasteful number, since it uses less digits than its factorization.

2238231243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6972793.

The product of its digits is 13824, while the sum is 30.

The square root of 2238231243 is about 47309.9486683298. The cubic root of 2238231243 is about 1308.0820452094.

Adding to 2238231243 its reverse (3421328322), we get a palindrome (5659559565).

The spelling of 2238231243 in words is "two billion, two hundred thirty-eight million, two hundred thirty-one thousand, two hundred forty-three".

Divisors: 1 3 107 321 6972683 20918049 746077081 2238231243