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338731130 = 25137247249
BaseRepresentation
bin10100001100001…
…010000001111010
3212121101022202102
4110030022001322
51143203344010
653340103402
711252111213
oct2414120172
9777338672
10338731130
11164228791
1295534b62
135523bc2a
1432db640a
151eb0eba5
hex1430a07a

338731130 has 16 divisors (see below), whose sum is σ = 614169000. Its totient is φ = 134502912.

The previous prime is 338731117. The next prime is 338731153. The reversal of 338731130 is 31137833.

It can be written as a sum of positive squares in 4 ways, for example, as 168402529 + 170328601 = 12977^2 + 13051^2 .

It is a super-2 number, since 2×3387311302 = 229477556862153800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338731093 and 338731102.

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 7 ways as a sum of consecutive naturals, for example, 122255 + ... + 124994.

Almost surely, 2338731130 is an apocalyptic number.

338731130 is a deficient number, since it is larger than the sum of its proper divisors (275437870).

338731130 is a wasteful number, since it uses less digits than its factorization.

338731130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247393.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 338731130 is about 18404.6496842510. The cubic root of 338731130 is about 697.0838754113.

Adding to 338731130 its reverse (31137833), we get a palindrome (369868963).

The spelling of 338731130 in words is "three hundred thirty-eight million, seven hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 137 274 685 1370 247249 494498 1236245 2472490 33873113 67746226 169365565 338731130