Base | Representation |
---|---|
bin | 11111001001000001110 |
3 | 1220211202201 |
4 | 3321020032 |
5 | 230123210 |
6 | 33512114 |
7 | 11450005 |
oct | 3711016 |
9 | 1824681 |
10 | 1020430 |
11 | 637734 |
12 | 41263a |
13 | 299608 |
14 | 1c7c3c |
15 | 15253a |
hex | f920e |
1020430 has 8 divisors (see below), whose sum is σ = 1836792. Its totient is φ = 408168.
The previous prime is 1020419. The next prime is 1020431. The reversal of 1020430 is 340201.
1020430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 102043 = 1020430 / (1 + 0 + 2 + 0 + 4 + 3 + 0).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020431) 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, 51012 + ... + 51031.
It is an arithmetic number, because the mean of its divisors is an integer number (229599).
21020430 is an apocalyptic number.
1020430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1020430 is a deficient number, since it is larger than the sum of its proper divisors (816362).
1020430 is a wasteful number, since it uses less digits than its factorization.
1020430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102050.
The product of its (nonzero) digits is 24, while the sum is 10.
The square root of 1020430 is about 1010.1633531266. The cubic root of 1020430 is about 100.6764143205.
Adding to 1020430 its reverse (340201), we get a palindrome (1360631).
The spelling of 1020430 in words is "one million, twenty thousand, four hundred thirty".
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