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2240081609 = 6139673779
BaseRepresentation
bin1000010110000100…
…1110111011001001
312210010002221021112
42011201032323021
514041430102414
61010140420105
7106340244113
oct20541167311
95703087245
102240081609
11a4a516517
12526247635
1329912639c
141737123b3
15d19d7d3e
hex8584eec9

2240081609 has 8 divisors (see below), whose sum is σ = 2246650560. Its totient is φ = 2233523376.

The previous prime is 2240081587. The next prime is 2240081633. The reversal of 2240081609 is 9061800422.

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 2240081609 - 28 = 2240081353 is a prime.

It is a super-2 number, since 2×22400816092 = 10035931229960057762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240081009) 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, 590882 + ... + 594660.

It is an arithmetic number, because the mean of its divisors is an integer number (280831320).

Almost surely, 22240081609 is an apocalyptic number.

It is an amenable number.

2240081609 is a deficient number, since it is larger than the sum of its proper divisors (6568951).

2240081609 is an equidigital number, since it uses as much as digits as its factorization.

2240081609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2240081609 is about 47329.5004093641. The cubic root of 2240081609 is about 1308.4424136712.

The spelling of 2240081609 in words is "two billion, two hundred forty million, eighty-one thousand, six hundred nine".

Divisors: 1 613 967 3779 592771 2316527 3654293 2240081609