Base | Representation |
---|---|
bin | 100110100101… |
… | …1001100111000 |
3 | 1102001211200010 |
4 | 1031023030320 |
5 | 20134342333 |
6 | 2001341520 |
7 | 333650262 |
oct | 115131470 |
9 | 42054603 |
10 | 20230968 |
11 | 1046890a |
12 | 69378a0 |
13 | 42645b4 |
14 | 2988b32 |
15 | 1b99563 |
hex | 134b338 |
20230968 has 16 divisors (see below), whose sum is σ = 50577480. Its totient is φ = 6743648.
The previous prime is 20230967. The next prime is 20230981. The reversal of 20230968 is 86903202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20230967) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421455 + ... + 421502.
Almost surely, 220230968 is an apocalyptic number.
It is an amenable number.
20230968 is an abundant number, since it is smaller than the sum of its proper divisors (30346512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20230968 is a wasteful number, since it uses less digits than its factorization.
20230968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 842966 (or 842962 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 30.
The square root of 20230968 is about 4497.8848362314. The cubic root of 20230968 is about 272.4826709514.
The spelling of 20230968 in words is "twenty million, two hundred thirty thousand, nine hundred sixty-eight".
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