Base | Representation |
---|---|
bin | 110101001110… |
… | …0111111110110 |
3 | 1221111202212222 |
4 | 1222130333312 |
5 | 24120443123 |
6 | 2434042342 |
7 | 456124466 |
oct | 152347766 |
9 | 57452788 |
10 | 27906038 |
11 | 14830246 |
12 | 94193b2 |
13 | 5a20b64 |
14 | 39c5ba6 |
15 | 26b36c8 |
hex | 1a9cff6 |
27906038 has 8 divisors (see below), whose sum is σ = 43679088. Its totient is φ = 13346344.
The previous prime is 27906031. The next prime is 27906127. The reversal of 27906038 is 83060972.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 27905989 and 27906007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27906031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303281 + ... + 303372.
It is an arithmetic number, because the mean of its divisors is an integer number (5459886).
Almost surely, 227906038 is an apocalyptic number.
27906038 is a deficient number, since it is larger than the sum of its proper divisors (15773050).
27906038 is a wasteful number, since it uses less digits than its factorization.
27906038 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 606678.
The product of its (nonzero) digits is 18144, while the sum is 35.
The square root of 27906038 is about 5282.6165865033. The cubic root of 27906038 is about 303.3188451264.
The spelling of 27906038 in words is "twenty-seven million, nine hundred six thousand, thirty-eight".
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