Base | Representation |
---|---|
bin | 101010111111111011010 |
3 | 2122120202200 |
4 | 11113333122 |
5 | 330041421 |
6 | 50111030 |
7 | 14655555 |
oct | 5277732 |
9 | 2576680 |
10 | 1408986 |
11 | 882657 |
12 | 57b476 |
13 | 3a4427 |
14 | 28969c |
15 | 1cc726 |
hex | 157fda |
1408986 has 12 divisors (see below), whose sum is σ = 3052842. Its totient is φ = 469656.
The previous prime is 1408963. The next prime is 1408987. The reversal of 1408986 is 6898041.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 1404225 + 4761 = 1185^2 + 69^2 .
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1408986.
It is not an unprimeable number, because it can be changed into a prime (1408987) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39121 + ... + 39156.
21408986 is an apocalyptic number.
1408986 is an abundant number, since it is smaller than the sum of its proper divisors (1643856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1408986 is a wasteful number, since it uses less digits than its factorization.
1408986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78285 (or 78282 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 1408986 is about 1187.0071608883. The cubic root of 1408986 is about 112.1077301023.
The spelling of 1408986 in words is "one million, four hundred eight thousand, nine hundred eighty-six".
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