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2243272873 = 29442117497
BaseRepresentation
bin1000010110110101…
…1010000010101001
312210100010001212111
42011231122002221
514043234212443
61010333042321
7106406335102
oct20555320251
95710101774
102243272873
11a512a6126
125273263a1
132999a2aca
14173d033a9
15d1e1869d
hex85b5a0a9

2243272873 has 8 divisors (see below), whose sum is σ = 2321284680. Its totient is φ = 2165304960.

The previous prime is 2243272847. The next prime is 2243272877. The reversal of 2243272873 is 3782723422.

It can be written as a sum of positive squares in 4 ways, for example, as 106337344 + 2136935529 = 10312^2 + 46227^2 .

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 2243272873 - 25 = 2243272841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243272877) 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, 119461 + ... + 136957.

It is an arithmetic number, because the mean of its divisors is an integer number (290160585).

Almost surely, 22243272873 is an apocalyptic number.

It is an amenable number.

2243272873 is a deficient number, since it is larger than the sum of its proper divisors (78011807).

2243272873 is a wasteful number, since it uses less digits than its factorization.

2243272873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21947.

The product of its digits is 225792, while the sum is 40.

The square root of 2243272873 is about 47363.2016759847. The cubic root of 2243272873 is about 1309.0634630485.

The spelling of 2243272873 in words is "two billion, two hundred forty-three million, two hundred seventy-two thousand, eight hundred seventy-three".

Divisors: 1 29 4421 17497 128209 507413 77354237 2243272873