Base | Representation |
---|---|
bin | 100010001001… |
… | …000010110010 |
3 | 121211201000012 |
4 | 202021002302 |
5 | 4242344223 |
6 | 515454522 |
7 | 136034054 |
oct | 42110262 |
9 | 17751005 |
10 | 8949938 |
11 | 5063248 |
12 | 2bb7442 |
13 | 1b1492a |
14 | 128d8d4 |
15 | bbbc78 |
hex | 8890b2 |
8949938 has 4 divisors (see below), whose sum is σ = 13424910. Its totient is φ = 4474968.
The previous prime is 8949937. The next prime is 8949943. The reversal of 8949938 is 8399498.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8399498 = 2 ⋅4199749.
It can be written as a sum of positive squares in only one way, i.e., 8779369 + 170569 = 2963^2 + 413^2 .
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (8949937) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2237483 + ... + 2237486.
Almost surely, 28949938 is an apocalyptic number.
8949938 is a deficient number, since it is larger than the sum of its proper divisors (4474972).
8949938 is a wasteful number, since it uses less digits than its factorization.
8949938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4474971.
The product of its digits is 559872, while the sum is 50.
The square root of 8949938 is about 2991.6446981552. The cubic root of 8949938 is about 207.6219866255.
The spelling of 8949938 in words is "eight million, nine hundred forty-nine thousand, nine hundred thirty-eight".
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