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2240320143 = 310325728211
BaseRepresentation
bin1000010110001000…
…1001001010001111
312210010120001111010
42011202021022033
514042010221033
61010145500303
7106342256415
oct20542111217
95703501433
102240320143
11a4a669756
12526341693
132991aab29
141737752b5
15d1a33863
hex8588928f

2240320143 has 16 divisors (see below), whose sum is σ = 3027937536. Its totient is φ = 1473239040.

The previous prime is 2240320139. The next prime is 2240320169. The reversal of 2240320143 is 3410230422.

It is not a de Polignac number, because 2240320143 - 22 = 2240320139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240300143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65308 + ... + 93518.

It is an arithmetic number, because the mean of its divisors is an integer number (189246096).

Almost surely, 22240320143 is an apocalyptic number.

2240320143 is a deficient number, since it is larger than the sum of its proper divisors (787617393).

2240320143 is a wasteful number, since it uses less digits than its factorization.

2240320143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28574.

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

The square root of 2240320143 is about 47332.0202716935. The cubic root of 2240320143 is about 1308.4888549740.

Adding to 2240320143 its reverse (3410230422), we get a palindrome (5650550565).

The spelling of 2240320143 in words is "two billion, two hundred forty million, three hundred twenty thousand, one hundred forty-three".

Divisors: 1 3 103 257 309 771 26471 28211 79413 84633 2905733 7250227 8717199 21750681 746773381 2240320143