Base | Representation |
---|---|
bin | 110011100010… |
… | …0110101110000 |
3 | 1212211210101001 |
4 | 1213010311300 |
5 | 23404130111 |
6 | 2403051344 |
7 | 445446265 |
oct | 147046560 |
9 | 55753331 |
10 | 27020656 |
11 | 14286023 |
12 | 9070b54 |
13 | 57a0b70 |
14 | 383526c |
15 | 258b1c1 |
hex | 19c4d70 |
27020656 has 40 divisors (see below), whose sum is σ = 57919904. Its totient is φ = 12130560.
The previous prime is 27020639. The next prime is 27020659. The reversal of 27020656 is 65602072.
It is a super-3 number, since 3×270206563 (a number of 23 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27020659) 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, 5941 + ... + 9451.
Almost surely, 227020656 is an apocalyptic number.
27020656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27020656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28959952).
27020656 is an abundant number, since it is smaller than the sum of its proper divisors (30899248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27020656 is a wasteful number, since it uses less digits than its factorization.
27020656 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3569 (or 3563 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 28.
The square root of 27020656 is about 5198.1396672271. The cubic root of 27020656 is about 300.0764842026.
The spelling of 27020656 in words is "twenty-seven million, twenty thousand, six hundred fifty-six".
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