Base | Representation |
---|---|
bin | 110011100100… |
… | …1000110011101 |
3 | 1212212200022110 |
4 | 1213021012131 |
5 | 23410204414 |
6 | 2403304233 |
7 | 445551210 |
oct | 147110635 |
9 | 55780273 |
10 | 27038109 |
11 | 1429814a |
12 | 907b079 |
13 | 57a8aa7 |
14 | 383b777 |
15 | 2591459 |
hex | 19c919d |
27038109 has 32 divisors (see below), whose sum is σ = 44478720. Its totient is φ = 14257152.
The previous prime is 27038093. The next prime is 27038117. The reversal of 27038109 is 90183072.
It is a happy number.
It is not a de Polignac number, because 27038109 - 24 = 27038093 is a prime.
It is an alternating number because its digits alternate between even and odd.
27038109 is a modest number, since divided by 8109 gives 2703 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27088109) 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 31 ways as a sum of consecutive naturals, for example, 18207 + ... + 19635.
It is an arithmetic number, because the mean of its divisors is an integer number (1389960).
Almost surely, 227038109 is an apocalyptic number.
It is an amenable number.
27038109 is a deficient number, since it is larger than the sum of its proper divisors (17440611).
27038109 is a wasteful number, since it uses less digits than its factorization.
27038109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1509.
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 27038109 is about 5199.8181698979. The cubic root of 27038109 is about 300.1410780906.
The spelling of 27038109 in words is "twenty-seven million, thirty-eight thousand, one hundred nine".
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