Base | Representation |
---|---|
bin | 100110100101… |
… | …1010010111010 |
3 | 1102001212012102 |
4 | 1031023102322 |
5 | 20134400404 |
6 | 2001343402 |
7 | 333651353 |
oct | 115132272 |
9 | 42055172 |
10 | 20231354 |
11 | 10469130 |
12 | 6937b62 |
13 | 4264820 |
14 | 2988d2a |
15 | 1b9971e |
hex | 134b4ba |
20231354 has 32 divisors (see below), whose sum is σ = 35997696. Its totient is φ = 8406720.
The previous prime is 20231339. The next prime is 20231359. The reversal of 20231354 is 45313202.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (20231359) 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 15 ways as a sum of consecutive naturals, for example, 36044 + ... + 36600.
It is an arithmetic number, because the mean of its divisors is an integer number (1124928).
Almost surely, 220231354 is an apocalyptic number.
20231354 is a deficient number, since it is larger than the sum of its proper divisors (15766342).
20231354 is a wasteful number, since it uses less digits than its factorization.
20231354 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 710.
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 20231354 is about 4497.9277450844. The cubic root of 20231354 is about 272.4844038994.
Adding to 20231354 its reverse (45313202), we get a palindrome (65544556).
The spelling of 20231354 in words is "twenty million, two hundred thirty-one thousand, three hundred fifty-four".
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