Base | Representation |
---|---|
bin | 1001001010110000101 |
3 | 120021002201 |
4 | 1021112011 |
5 | 34103141 |
6 | 10234501 |
7 | 2360602 |
oct | 1112605 |
9 | 507081 |
10 | 300421 |
11 | 195790 |
12 | 125a31 |
13 | a6984 |
14 | 7b6a9 |
15 | 5e031 |
hex | 49585 |
300421 has 8 divisors (see below), whose sum is σ = 338688. Its totient is φ = 264000.
The previous prime is 300413. The next prime is 300427. The reversal of 300421 is 124003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 300421 - 23 = 300413 is a prime.
It is a Duffinian number.
300421 is a lucky number.
It is a junction number, because it is equal to n+sod(n) for n = 300398 and 300407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (300427) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100 + ... + 781.
It is an arithmetic number, because the mean of its divisors is an integer number (42336).
2300421 is an apocalyptic number.
300421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
300421 is a deficient number, since it is larger than the sum of its proper divisors (38267).
300421 is a wasteful number, since it uses less digits than its factorization.
300421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 923.
The product of its (nonzero) digits is 24, while the sum is 10.
The square root of 300421 is about 548.1067414291. The cubic root of 300421 is about 66.9745949571.
Adding to 300421 its reverse (124003), we get a palindrome (424424).
It can be divided in two parts, 3004 and 21, that added together give a square (3025 = 552).
The spelling of 300421 in words is "three hundred thousand, four hundred twenty-one", and thus it is an iban number.
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