Base | Representation |
---|---|
bin | 100110001100… |
… | …1100011001000 |
3 | 1101200111200200 |
4 | 1030121203020 |
5 | 20111340332 |
6 | 1553132200 |
7 | 332142324 |
oct | 114314310 |
9 | 41614620 |
10 | 20027592 |
11 | 1033a032 |
12 | 685a060 |
13 | 41c2b60 |
14 | 2934984 |
15 | 1b5917c |
hex | 13198c8 |
20027592 has 48 divisors (see below), whose sum is σ = 58416540. Its totient is φ = 6162048.
The previous prime is 20027591. The next prime is 20027597. The reversal of 20027592 is 29572002.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 19660356 + 367236 = 4434^2 + 606^2 .
It is a super-2 number, since 2×200275922 = 802208882636928, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20027591) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9763 + ... + 11634.
Almost surely, 220027592 is an apocalyptic number.
It is an amenable number.
20027592 is an abundant number, since it is smaller than the sum of its proper divisors (38388948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20027592 is a wasteful number, since it uses less digits than its factorization.
20027592 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21422 (or 21415 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 20027592 is about 4475.2197711397. The cubic root of 20027592 is about 271.5665313178.
Adding to 20027592 its reverse (29572002), we get a palindrome (49599594).
The spelling of 20027592 in words is "twenty million, twenty-seven thousand, five hundred ninety-two".
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