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338076247 = 1181328619
BaseRepresentation
bin10100001001101…
…010001001010111
3212120011001102111
4110021222021113
51143021414442
653314051451
711243413015
oct2411521127
9776131374
10338076247
11163920763
1295279b87
135506cb22
1432c858b5
151ea30b17
hex1426a257

338076247 has 4 divisors (see below), whose sum is σ = 338116680. Its totient is φ = 338035816.

The previous prime is 338076223. The next prime is 338076257. The reversal of 338076247 is 742670833.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 742670833 = 1315669243.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-338076247 is a prime.

It is a super-2 number, since 2×3380762472 = 228591097571210018, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338076257) 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 3 ways as a sum of consecutive naturals, for example, 2497 + ... + 26122.

It is an arithmetic number, because the mean of its divisors is an integer number (84529170).

Almost surely, 2338076247 is an apocalyptic number.

338076247 is a deficient number, since it is larger than the sum of its proper divisors (40433).

338076247 is a wasteful number, since it uses less digits than its factorization.

338076247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40432.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 338076247 is about 18386.8498389474. The cubic root of 338076247 is about 696.6343518304.

The spelling of 338076247 in words is "three hundred thirty-eight million, seventy-six thousand, two hundred forty-seven".

Divisors: 1 11813 28619 338076247