Base | Representation |
---|---|
bin | 100110100101… |
… | …1000110000100 |
3 | 1102001211001222 |
4 | 1031023012010 |
5 | 20134334112 |
6 | 2001335512 |
7 | 333646100 |
oct | 115130604 |
9 | 42054058 |
10 | 20230532 |
11 | 10468553 |
12 | 6937598 |
13 | 426433a |
14 | 2988900 |
15 | 1b99372 |
hex | 134b184 |
20230532 has 18 divisors (see below), whose sum is σ = 41183982. Its totient is φ = 8670144.
The previous prime is 20230519. The next prime is 20230537. The reversal of 20230532 is 23503202.
It can be written as a sum of positive squares in only one way, i.e., 11669056 + 8561476 = 3416^2 + 2926^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 20230532.
It is not an unprimeable number, because it can be changed into a prime (20230537) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51413 + ... + 51804.
It is an arithmetic number, because the mean of its divisors is an integer number (2287999).
Almost surely, 220230532 is an apocalyptic number.
It is an amenable number.
20230532 is an abundant number, since it is smaller than the sum of its proper divisors (20953450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20230532 is a wasteful number, since it uses less digits than its factorization.
20230532 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103235 (or 103226 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 17.
The square root of 20230532 is about 4497.8363687444. The cubic root of 20230532 is about 272.4807135019.
Adding to 20230532 its reverse (23503202), we get a palindrome (43733734).
The spelling of 20230532 in words is "twenty million, two hundred thirty thousand, five hundred thirty-two".
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