Base | Representation |
---|---|
bin | 100110110001… |
… | …0001010010100 |
3 | 1102020121200020 |
4 | 1031202022110 |
5 | 20200400022 |
6 | 2003345140 |
7 | 334521411 |
oct | 115421224 |
9 | 42217606 |
10 | 20325012 |
11 | 10522534 |
12 | 69821b0 |
13 | 4298346 |
14 | 29b1108 |
15 | 1bb735c |
hex | 1362294 |
20325012 has 48 divisors (see below), whose sum is σ = 49156800. Its totient is φ = 6531840.
The previous prime is 20324999. The next prime is 20325049. The reversal of 20325012 is 21052302.
It is a super-2 number, since 2×203250122 = 826212225600288, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20324982 and 20325000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53439 + ... + 53817.
It is an arithmetic number, because the mean of its divisors is an integer number (1024100).
Almost surely, 220325012 is an apocalyptic number.
It is an amenable number.
20325012 is an abundant number, since it is smaller than the sum of its proper divisors (28831788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20325012 is a wasteful number, since it uses less digits than its factorization.
20325012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 536 (or 534 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 20325012 is about 4508.3269624108. The cubic root of 20325012 is about 272.9042318623.
Adding to 20325012 its reverse (21052302), we get a palindrome (41377314).
The spelling of 20325012 in words is "twenty million, three hundred twenty-five thousand, twelve".
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