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289429 = 7173239
BaseRepresentation
bin1000110101010010101
3112201000121
41012222111
533230204
610111541
72313550
oct1065225
9481017
10289429
111884a8
1211b5b1
13a197a
1477697
155ab54
hex46a95

289429 has 8 divisors (see below), whose sum is σ = 334080. Its totient is φ = 245616.

The previous prime is 289423. The next prime is 289439. The reversal of 289429 is 924982.

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

It is not a de Polignac number, because 289429 - 25 = 289397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 289394 and 289403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289423) 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, 1092 + ... + 1330.

It is an arithmetic number, because the mean of its divisors is an integer number (41760).

2289429 is an apocalyptic number.

It is an amenable number.

289429 is a deficient number, since it is larger than the sum of its proper divisors (44651).

289429 is a wasteful number, since it uses less digits than its factorization.

289429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its digits is 10368, while the sum is 34.

The square root of 289429 is about 537.9860592989. The cubic root of 289429 is about 66.1475882988.

The spelling of 289429 in words is "two hundred eighty-nine thousand, four hundred twenty-nine".

Divisors: 1 7 173 239 1211 1673 41347 289429