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229713345 = 3255104741
BaseRepresentation
bin11011011000100…
…10010111000001
3121000020122110200
431230102113001
5432301311340
634443315413
75456350131
oct1554222701
9530218420
10229713345
11108738044
1264b1bb69
133878b974
1422718ac1
1515278330
hexdb125c1

229713345 has 12 divisors (see below), whose sum is σ = 398169876. Its totient is φ = 122513760.

The previous prime is 229713311. The next prime is 229713349. The reversal of 229713345 is 543317922.

It can be written as a sum of positive squares in 2 ways, for example, as 100641024 + 129072321 = 10032^2 + 11361^2 .

It is not a de Polignac number, because 229713345 - 213 = 229705153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229713349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2552326 + ... + 2552415.

It is an arithmetic number, because the mean of its divisors is an integer number (33180823).

Almost surely, 2229713345 is an apocalyptic number.

It is an amenable number.

229713345 is a deficient number, since it is larger than the sum of its proper divisors (168456531).

229713345 is a wasteful number, since it uses less digits than its factorization.

229713345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104752 (or 5104749 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 229713345 is about 15156.2972061121. The cubic root of 229713345 is about 612.4379234603.

The spelling of 229713345 in words is "two hundred twenty-nine million, seven hundred thirteen thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 45 5104741 15314223 25523705 45942669 76571115 229713345