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12849229 = 172173257
BaseRepresentation
bin110001000001…
…000001001101
3220011210211101
4301001001031
511242133404
61135223101
7214134211
oct61010115
926153741
1012849229
1172868a8
124377a91
13287b6c3
1419c6941
1511dc2a4
hexc4104d

12849229 has 12 divisors (see below), whose sum is σ = 13781844. Its totient is φ = 11976704.

The previous prime is 12849227. The next prime is 12849253. The reversal of 12849229 is 92294821.

It can be written as a sum of positive squares in 6 ways, for example, as 7452900 + 5396329 = 2730^2 + 2323^2 .

It is not a de Polignac number, because 12849229 - 21 = 12849227 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12849227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49869 + ... + 50125.

It is an arithmetic number, because the mean of its divisors is an integer number (1148487).

Almost surely, 212849229 is an apocalyptic number.

It is an amenable number.

12849229 is a deficient number, since it is larger than the sum of its proper divisors (932615).

12849229 is a wasteful number, since it uses less digits than its factorization.

12849229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 447 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 12849229 is about 3584.5821234839. The cubic root of 12849229 is about 234.2209238954.

The spelling of 12849229 in words is "twelve million, eight hundred forty-nine thousand, two hundred twenty-nine".

Divisors: 1 17 173 257 289 2941 4369 44461 49997 74273 755837 12849229