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2240305231 = 41109501299
BaseRepresentation
bin1000010110001000…
…0101100001001111
312210010112022000211
42011202011201033
514042004231411
61010145303251
7106342165063
oct20542054117
95703468024
102240305231
11a4a65952a
12526334b27
132991a40c8
1417376daa3
15d1a2e221
hex8588584f

2240305231 has 8 divisors (see below), whose sum is σ = 2316006000. Its totient is φ = 2165607360.

The previous prime is 2240305229. The next prime is 2240305247. The reversal of 2240305231 is 1325030422.

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 2240305231 - 21 = 2240305229 is a prime.

It is a super-2 number, since 2×22403052312 = 10037935056091926722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240305201) 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 7 ways as a sum of consecutive naturals, for example, 246181 + ... + 255118.

It is an arithmetic number, because the mean of its divisors is an integer number (289500750).

Almost surely, 22240305231 is an apocalyptic number.

2240305231 is a deficient number, since it is larger than the sum of its proper divisors (75700769).

2240305231 is a wasteful number, since it uses less digits than its factorization.

2240305231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501449.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2240305231 is about 47331.8627459347. The cubic root of 2240305231 is about 1308.4859517834.

Adding to 2240305231 its reverse (1325030422), we get a palindrome (3565335653).

The spelling of 2240305231 in words is "two billion, two hundred forty million, three hundred five thousand, two hundred thirty-one".

Divisors: 1 41 109 4469 501299 20553259 54641591 2240305231