Base | Representation |
---|---|
bin | 10001111001010… |
… | …000101011110101 |
3 | 202220220220211120 |
4 | 101321100223311 |
5 | 1103324120341 |
6 | 45442454153 |
7 | 10303566234 |
oct | 2171205365 |
9 | 686826746 |
10 | 300223221 |
11 | 144517171 |
12 | 84664359 |
13 | 4a27859c |
14 | 2bc30b1b |
15 | 1b555066 |
hex | 11e50af5 |
300223221 has 4 divisors (see below), whose sum is σ = 400297632. Its totient is φ = 200148812.
The previous prime is 300223139. The next prime is 300223223. The reversal of 300223221 is 122322003.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122322003 = 3 ⋅40774001.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-300223221 is a prime.
It is a super-2 number, since 2×3002232212 = 180267964855229682, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 300223221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (300223223) 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, 50037201 + ... + 50037206.
It is an arithmetic number, because the mean of its divisors is an integer number (100074408).
Almost surely, 2300223221 is an apocalyptic number.
It is an amenable number.
300223221 is a deficient number, since it is larger than the sum of its proper divisors (100074411).
300223221 is a wasteful number, since it uses less digits than its factorization.
300223221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100074410.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 300223221 is about 17326.9507126903. The cubic root of 300223221 is about 669.5989439104.
Adding to 300223221 its reverse (122322003), we get a palindrome (422545224).
The spelling of 300223221 in words is "three hundred million, two hundred twenty-three thousand, two hundred twenty-one".
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