Base | Representation |
---|---|
bin | 101011010101101111110 |
3 | 2200011002110 |
4 | 11122231332 |
5 | 330421113 |
6 | 50234450 |
7 | 15033255 |
oct | 5325576 |
9 | 2604073 |
10 | 1420158 |
11 | 88aa93 |
12 | 585a26 |
13 | 3a953c |
14 | 28d79c |
15 | 1d0bc3 |
hex | 15ab7e |
1420158 has 32 divisors (see below), whose sum is σ = 3048192. Its totient is φ = 440000.
The previous prime is 1420151. The next prime is 1420169. The reversal of 1420158 is 8510241.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420151) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5533 + ... + 5783.
It is an arithmetic number, because the mean of its divisors is an integer number (95256).
21420158 is an apocalyptic number.
1420158 is an abundant number, since it is smaller than the sum of its proper divisors (1628034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1420158 is a wasteful number, since it uses less digits than its factorization.
1420158 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 320.
The product of its (nonzero) digits is 320, while the sum is 21.
The square root of 1420158 is about 1191.7038222646. The cubic root of 1420158 is about 112.4032550992.
Adding to 1420158 its reverse (8510241), we get a palindrome (9930399).
The spelling of 1420158 in words is "one million, four hundred twenty thousand, one hundred fifty-eight".
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