Base | Representation |
---|---|
bin | 100110101010… |
… | …1010110001111 |
3 | 1102010221200100 |
4 | 1031111112033 |
5 | 20142210102 |
6 | 2002302143 |
7 | 334212402 |
oct | 115252617 |
9 | 42127610 |
10 | 20272527 |
11 | 10497060 |
12 | 6957953 |
13 | 427a4a2 |
14 | 2999d39 |
15 | 1ba6a1c |
hex | 135558f |
20272527 has 24 divisors (see below), whose sum is σ = 32140368. Its totient is φ = 12211200.
The previous prime is 20272489. The next prime is 20272529. The reversal of 20272527 is 72527202.
It is a happy number.
It is not a de Polignac number, because 20272527 - 211 = 20270479 is a prime.
It is a plaindrome in base 16.
It is a self number, because there is not a number n which added to its sum of digits gives 20272527.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20272529) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18577 + ... + 19637.
It is an arithmetic number, because the mean of its divisors is an integer number (1339182).
Almost surely, 220272527 is an apocalyptic number.
20272527 is a deficient number, since it is larger than the sum of its proper divisors (11867841).
20272527 is a wasteful number, since it uses less digits than its factorization.
20272527 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1271 (or 1268 counting only the distinct ones).
The product of its (nonzero) digits is 3920, while the sum is 27.
The square root of 20272527 is about 4502.5023042748. The cubic root of 20272527 is about 272.6691237543.
Adding to 20272527 its reverse (72527202), we get a palindrome (92799729).
It can be divided in two parts, 2027 and 2527, that added together give a palindrome (4554).
The spelling of 20272527 in words is "twenty million, two hundred seventy-two thousand, five hundred twenty-seven".
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