Base | Representation |
---|---|
bin | 101011010101100010110 |
3 | 2200010221121 |
4 | 11122230112 |
5 | 330420204 |
6 | 50234154 |
7 | 15033046 |
oct | 5325426 |
9 | 2603847 |
10 | 1420054 |
11 | 88a9a9 |
12 | 58595a |
13 | 3a948c |
14 | 28d726 |
15 | 1d0b54 |
hex | 15ab16 |
1420054 has 4 divisors (see below), whose sum is σ = 2130084. Its totient is φ = 710026.
The previous prime is 1420039. The next prime is 1420057. The reversal of 1420054 is 4500241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4500241 = 1949 ⋅2309.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355012 + ... + 355015.
It is an arithmetic number, because the mean of its divisors is an integer number (532521).
21420054 is an apocalyptic number.
1420054 is a deficient number, since it is larger than the sum of its proper divisors (710030).
1420054 is an equidigital number, since it uses as much as digits as its factorization.
1420054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 710029.
The product of its (nonzero) digits is 160, while the sum is 16.
The square root of 1420054 is about 1191.6601864626. The cubic root of 1420054 is about 112.4005112205.
Adding to 1420054 its reverse (4500241), we get a palindrome (5920295).
The spelling of 1420054 in words is "one million, four hundred twenty thousand, fifty-four".
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