Base | Representation |
---|---|
bin | 110101010010… |
… | …1000010000110 |
3 | 1221120110000221 |
4 | 1222211002012 |
5 | 24123021300 |
6 | 2434454554 |
7 | 456322444 |
oct | 152450206 |
9 | 57513027 |
10 | 27938950 |
11 | 14852a46 |
12 | 943445a |
13 | 5a32b30 |
14 | 39d3b94 |
15 | 26bd31a |
hex | 1aa5086 |
27938950 has 48 divisors (see below), whose sum is σ = 57090096. Its totient is φ = 10108800.
The previous prime is 27938941. The next prime is 27938971. The reversal of 27938950 is 5983972.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 27938897 and 27938906.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34045 + ... + 34855.
It is an arithmetic number, because the mean of its divisors is an integer number (1189377).
Almost surely, 227938950 is an apocalyptic number.
27938950 is an abundant number, since it is smaller than the sum of its proper divisors (29151146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27938950 is a wasteful number, since it uses less digits than its factorization.
27938950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 889 (or 884 counting only the distinct ones).
The product of its (nonzero) digits is 136080, while the sum is 43.
The square root of 27938950 is about 5285.7307914800. The cubic root of 27938950 is about 303.4380416466.
The spelling of 27938950 in words is "twenty-seven million, nine hundred thirty-eight thousand, nine hundred fifty".
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