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289227 = 3229421
BaseRepresentation
bin1000110100111001011
3112200202010
41012213023
533223402
610111003
72313141
oct1064713
9480663
10289227
11188334
1211b463
13a1853
1477591
155aa6c
hex469cb

289227 has 8 divisors (see below), whose sum is σ = 388240. Its totient is φ = 191520.

The previous prime is 289213. The next prime is 289241. The reversal of 289227 is 722982.

It is an interprime number because it is at equal distance from previous prime (289213) and next prime (289241).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 289227 - 27 = 289099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 289194 and 289203.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289227.

It is not an unprimeable number, because it can be changed into a prime (289297) 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, 477 + ... + 897.

It is an arithmetic number, because the mean of its divisors is an integer number (48530).

2289227 is an apocalyptic number.

289227 is a deficient number, since it is larger than the sum of its proper divisors (99013).

289227 is a wasteful number, since it uses less digits than its factorization.

289227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653.

The product of its digits is 4032, while the sum is 30.

The square root of 289227 is about 537.7982893242. The cubic root of 289227 is about 66.1321960120.

The spelling of 289227 in words is "two hundred eighty-nine thousand, two hundred twenty-seven".

Divisors: 1 3 229 421 687 1263 96409 289227