Base | Representation |
---|---|
bin | 110101010100… |
… | …0011100010000 |
3 | 1221121011012001 |
4 | 1222220130100 |
5 | 24123443122 |
6 | 2435043344 |
7 | 456411241 |
oct | 152503420 |
9 | 57534161 |
10 | 27952912 |
11 | 14862489 |
12 | 9440554 |
13 | 5a392b0 |
14 | 39d8cc8 |
15 | 26c2527 |
hex | 1aa8710 |
27952912 has 40 divisors (see below), whose sum is σ = 60871104. Its totient is φ = 12338304.
The previous prime is 27952891. The next prime is 27952919. The reversal of 27952912 is 21925972.
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (27952919) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1863 + ... + 7705.
Almost surely, 227952912 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27952912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30435552).
27952912 is an abundant number, since it is smaller than the sum of its proper divisors (32918192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27952912 is a wasteful number, since it uses less digits than its factorization.
27952912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5887 (or 5881 counting only the distinct ones).
The product of its digits is 22680, while the sum is 37.
The square root of 27952912 is about 5287.0513521244. The cubic root of 27952912 is about 303.4885791746.
The spelling of 27952912 in words is "twenty-seven million, nine hundred fifty-two thousand, nine hundred twelve".
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