Base | Representation |
---|---|
bin | 10100001101001… |
… | …000100011010111 |
3 | 212121212100001100 |
4 | 110031020203113 |
5 | 1143240042343 |
6 | 53345401143 |
7 | 11254225641 |
oct | 2415104327 |
9 | 777770040 |
10 | 338987223 |
11 | 164393133 |
12 | 956391b3 |
13 | 552cb673 |
14 | 33041891 |
15 | 1eb609d3 |
hex | 143488d7 |
338987223 has 12 divisors (see below), whose sum is σ = 493172680. Its totient is φ = 224364816.
The previous prime is 338987153. The next prime is 338987267. The reversal of 338987223 is 322789833.
It is a happy number.
338987223 is a `hidden beast` number, since 338 + 98 + 7 + 223 = 666.
It is not a de Polignac number, because 338987223 - 225 = 305432791 is a prime.
It is a super-2 number, since 2×3389872232 = 229824674714503458, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (338987723) 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, 134236 + ... + 136737.
Almost surely, 2338987223 is an apocalyptic number.
338987223 is a deficient number, since it is larger than the sum of its proper divisors (154185457).
338987223 is a wasteful number, since it uses less digits than its factorization.
338987223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 271118 (or 271115 counting only the distinct ones).
The product of its digits is 435456, while the sum is 45.
The square root of 338987223 is about 18411.6056605609. The cubic root of 338987223 is about 697.2595047086.
The spelling of 338987223 in words is "three hundred thirty-eight million, nine hundred eighty-seven thousand, two hundred twenty-three".
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