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229389 = 376463
BaseRepresentation
bin111000000000001101
3102122122220
4320000031
524320024
64525553
71643526
oct700015
9378586
10229389
11147386
12b08b9
1380544
145d84d
1547e79
hex3800d

229389 has 4 divisors (see below), whose sum is σ = 305856. Its totient is φ = 152924.

The previous prime is 229373. The next prime is 229393. The reversal of 229389 is 983922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 229389 - 24 = 229373 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38229 + ... + 38234.

It is an arithmetic number, because the mean of its divisors is an integer number (76464).

2229389 is an apocalyptic number.

It is an amenable number.

229389 is a deficient number, since it is larger than the sum of its proper divisors (76467).

229389 is an equidigital number, since it uses as much as digits as its factorization.

229389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76466.

The product of its digits is 7776, while the sum is 33.

The square root of 229389 is about 478.9457171747. The cubic root of 229389 is about 61.2149542678.

The spelling of 229389 in words is "two hundred twenty-nine thousand, three hundred eighty-nine".

Divisors: 1 3 76463 229389