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338768225 = 5213550729
BaseRepresentation
bin10100001100010…
…011000101100001
3212121110012122022
4110030103011201
51143211040400
653340551225
711252324315
oct2414230541
9777405568
10338768225
11164253644
1295552515
1355252a93
1432dc5b45
151eb1ab85
hex14313161

338768225 has 6 divisors (see below), whose sum is σ = 420072630. Its totient is φ = 271014560.

The previous prime is 338768207. The next prime is 338768291. The reversal of 338768225 is 522867833.

It can be written as a sum of positive squares in 3 ways, for example, as 61009 + 338707216 = 247^2 + 18404^2 .

It is not a de Polignac number, because 338768225 - 26 = 338768161 is a prime.

It is a super-2 number, since 2×3387682252 = 229527820539301250, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6775340 + ... + 6775389.

It is an arithmetic number, because the mean of its divisors is an integer number (70012105).

Almost surely, 2338768225 is an apocalyptic number.

It is an amenable number.

338768225 is a deficient number, since it is larger than the sum of its proper divisors (81304405).

338768225 is a wasteful number, since it uses less digits than its factorization.

338768225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13550739 (or 13550734 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 338768225 is about 18405.6574183048. The cubic root of 338768225 is about 697.1093207475.

The spelling of 338768225 in words is "three hundred thirty-eight million, seven hundred sixty-eight thousand, two hundred twenty-five".

Divisors: 1 5 25 13550729 67753645 338768225