Base | Representation |
---|---|
bin | 100110100101… |
… | …1000011001000 |
3 | 1102001210211000 |
4 | 1031023003020 |
5 | 20134332334 |
6 | 2001335000 |
7 | 333645411 |
oct | 115130310 |
9 | 42053730 |
10 | 20230344 |
11 | 104683a2 |
12 | 6937460 |
13 | 4264224 |
14 | 2988808 |
15 | 1b99299 |
hex | 134b0c8 |
20230344 has 64 divisors (see below), whose sum is σ = 57009600. Its totient is φ = 6645888.
The previous prime is 20230303. The next prime is 20230361. The reversal of 20230344 is 44303202.
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 15127 + ... + 16409.
It is an arithmetic number, because the mean of its divisors is an integer number (890775).
Almost surely, 220230344 is an apocalyptic number.
20230344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20230344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28504800).
20230344 is an abundant number, since it is smaller than the sum of its proper divisors (36779256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20230344 is a wasteful number, since it uses less digits than its factorization.
20230344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1371 (or 1361 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
The square root of 20230344 is about 4497.8154697586. The cubic root of 20230344 is about 272.4798694553.
Adding to 20230344 its reverse (44303202), we get a palindrome (64533546).
The spelling of 20230344 in words is "twenty million, two hundred thirty thousand, three hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •