Base | Representation |
---|---|
bin | 10010000000001… |
… | …000000101101100 |
3 | 210001022100200210 |
4 | 102000020011230 |
5 | 1104304214040 |
6 | 45545222420 |
7 | 10325103405 |
oct | 2200100554 |
9 | 701270623 |
10 | 302023020 |
11 | 145536402 |
12 | 85191a10 |
13 | 4a758860 |
14 | 2c17c9ac |
15 | 1b7ad480 |
hex | 1200816c |
302023020 has 96 divisors (see below), whose sum is σ = 964329408. Its totient is φ = 69967872.
The previous prime is 302023009. The next prime is 302023021. The reversal of 302023020 is 20320203.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 302022987 and 302023005.
It is not an unprimeable number, because it can be changed into a prime (302023021) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1872 + ... + 24648.
It is an arithmetic number, because the mean of its divisors is an integer number (10045098).
Almost surely, 2302023020 is an apocalyptic number.
302023020 is a gapful number since it is divisible by the number (30) 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 302023020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482164704).
302023020 is an abundant number, since it is smaller than the sum of its proper divisors (662306388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
302023020 is a wasteful number, since it uses less digits than its factorization.
302023020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22819 (or 22817 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 12.
The square root of 302023020 is about 17378.8095104354. The cubic root of 302023020 is about 670.9343317020.
Adding to 302023020 its reverse (20320203), we get a palindrome (322343223).
The spelling of 302023020 in words is "three hundred two million, twenty-three thousand, twenty".
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