Base | Representation |
---|---|
bin | 101011010101110110010 |
3 | 2200011011101 |
4 | 11122232302 |
5 | 330421320 |
6 | 50235014 |
7 | 15033361 |
oct | 5325662 |
9 | 2604141 |
10 | 1420210 |
11 | 890030 |
12 | 585a6a |
13 | 3a957c |
14 | 28d7d8 |
15 | 1d0c0a |
hex | 15abb2 |
1420210 has 16 divisors (see below), whose sum is σ = 2788992. Its totient is φ = 516400.
The previous prime is 1420207. The next prime is 1420253. The reversal of 1420210 is 120241.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6346 + ... + 6565.
It is an arithmetic number, because the mean of its divisors is an integer number (174312).
21420210 is an apocalyptic number.
1420210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1420210 is a deficient number, since it is larger than the sum of its proper divisors (1368782).
1420210 is a wasteful number, since it uses less digits than its factorization.
1420210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12929.
The product of its (nonzero) digits is 16, while the sum is 10.
The square root of 1420210 is about 1191.7256395664. The cubic root of 1420210 is about 112.4046269883.
Adding to 1420210 its reverse (120241), we get a palindrome (1540451).
The spelling of 1420210 in words is "one million, four hundred twenty thousand, two hundred ten".
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