Base | Representation |
---|---|
bin | 110101001001… |
… | …1111111001010 |
3 | 1221102220021000 |
4 | 1222103333022 |
5 | 24113303010 |
6 | 2433155430 |
7 | 455612052 |
oct | 152237712 |
9 | 57386230 |
10 | 27869130 |
11 | 14805543 |
12 | 93bbb76 |
13 | 5a0a113 |
14 | 39b6562 |
15 | 26a77c0 |
hex | 1a93fca |
27869130 has 64 divisors (see below), whose sum is σ = 74805120. Its totient is φ = 7383168.
The previous prime is 27869111. The next prime is 27869147. The reversal of 27869130 is 3196872.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62689 + ... + 63131.
It is an arithmetic number, because the mean of its divisors is an integer number (1168830).
Almost surely, 227869130 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27869130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37402560).
27869130 is an abundant number, since it is smaller than the sum of its proper divisors (46935990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27869130 is a wasteful number, since it uses less digits than its factorization.
27869130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 692 (or 686 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 27869130 is about 5279.1220861048. The cubic root of 27869130 is about 303.1850648677.
The spelling of 27869130 in words is "twenty-seven million, eight hundred sixty-nine thousand, one hundred thirty".
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