Base | Representation |
---|---|
bin | 110101000110… |
… | …1100110101110 |
3 | 1221101120101212 |
4 | 1222031212232 |
5 | 24111433430 |
6 | 2432434422 |
7 | 455442620 |
oct | 152154656 |
9 | 57346355 |
10 | 27842990 |
11 | 1479793a |
12 | 93a8a12 |
13 | 59cb256 |
14 | 39aac10 |
15 | 269eb95 |
hex | 1a8d9ae |
27842990 has 16 divisors (see below), whose sum is σ = 57277152. Its totient is φ = 9546144.
The previous prime is 27842953. The next prime is 27843043. The reversal of 27842990 is 9924872.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198809 + ... + 198948.
It is an arithmetic number, because the mean of its divisors is an integer number (3579822).
Almost surely, 227842990 is an apocalyptic number.
27842990 is an abundant number, since it is smaller than the sum of its proper divisors (29434162).
27842990 is a wasteful number, since it uses less digits than its factorization.
27842990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 397771.
The product of its (nonzero) digits is 72576, while the sum is 41.
The square root of 27842990 is about 5276.6457148457. The cubic root of 27842990 is about 303.0902438628.
The spelling of 27842990 in words is "twenty-seven million, eight hundred forty-two thousand, nine hundred ninety".
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