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308229 = 3127809
BaseRepresentation
bin1001011010000000101
3120122210220
41023100011
534330404
610334553
72422425
oct1132005
9518726
10308229
111a0639
1212a459
13aa3ac
1480485
15614d9
hex4b405

308229 has 8 divisors (see below), whose sum is σ = 414720. Its totient is φ = 203616.

The previous prime is 308219. The next prime is 308249. The reversal of 308229 is 922803.

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

It is not a de Polignac number, because 308229 - 24 = 308213 is a prime.

It is a Curzon number.

308229 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 308199 and 308208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24 + ... + 785.

It is an arithmetic number, because the mean of its divisors is an integer number (51840).

2308229 is an apocalyptic number.

It is an amenable number.

308229 is a deficient number, since it is larger than the sum of its proper divisors (106491).

308229 is a wasteful number, since it uses less digits than its factorization.

308229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 308229 is about 555.1837533646. The cubic root of 308229 is about 67.5498671285.

The spelling of 308229 in words is "three hundred eight thousand, two hundred twenty-nine".

Divisors: 1 3 127 381 809 2427 102743 308229