Base | Representation |
---|---|
bin | 100110100101… |
… | …1101101000110 |
3 | 1102001221111111 |
4 | 1031023231012 |
5 | 20134424110 |
6 | 2001355234 |
7 | 333656266 |
oct | 115135506 |
9 | 42057444 |
10 | 20233030 |
11 | 1046a414 |
12 | 6938b1a |
13 | 426550c |
14 | 29897a6 |
15 | 1b99e8a |
hex | 134bb46 |
20233030 has 16 divisors (see below), whose sum is σ = 37195200. Its totient is φ = 7920832.
The previous prime is 20233019. The next prime is 20233033. The reversal of 20233030 is 3033202.
It is a self number, because there is not a number n which added to its sum of digits gives 20233030.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20233033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21055 + ... + 21994.
It is an arithmetic number, because the mean of its divisors is an integer number (2324700).
Almost surely, 220233030 is an apocalyptic number.
20233030 is a deficient number, since it is larger than the sum of its proper divisors (16962170).
20233030 is a wasteful number, since it uses less digits than its factorization.
20233030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43103.
The product of its (nonzero) digits is 108, while the sum is 13.
The square root of 20233030 is about 4498.1140492433. The cubic root of 20233030 is about 272.4919280498.
Adding to 20233030 its reverse (3033202), we get a palindrome (23266232).
The spelling of 20233030 in words is "twenty million, two hundred thirty-three thousand, thirty".
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