Base | Representation |
---|---|
bin | 101011010101111111110 |
3 | 2200011021012 |
4 | 11122233332 |
5 | 330422121 |
6 | 50235222 |
7 | 15033530 |
oct | 5325776 |
9 | 2604235 |
10 | 1420286 |
11 | 89009a |
12 | 585b12 |
13 | 3a960a |
14 | 28d850 |
15 | 1d0c5b |
hex | 15abfe |
1420286 has 8 divisors (see below), whose sum is σ = 2434800. Its totient is φ = 608688.
The previous prime is 1420283. The next prime is 1420291. The reversal of 1420286 is 6820241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1420283) 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, 50711 + ... + 50738.
It is an arithmetic number, because the mean of its divisors is an integer number (304350).
21420286 is an apocalyptic number.
1420286 is a deficient number, since it is larger than the sum of its proper divisors (1014514).
1420286 is a wasteful number, since it uses less digits than its factorization.
1420286 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101458.
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 1420286 is about 1191.7575256737. The cubic root of 1420286 is about 112.4066319968.
The spelling of 1420286 in words is "one million, four hundred twenty thousand, two hundred eighty-six".
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