Base | Representation |
---|---|
bin | 101011010101011010001 |
3 | 2200010212001 |
4 | 11122223101 |
5 | 330414420 |
6 | 50234001 |
7 | 15032620 |
oct | 5325321 |
9 | 2603761 |
10 | 1419985 |
11 | 88a946 |
12 | 585901 |
13 | 3a9438 |
14 | 28d6b7 |
15 | 1d0b0a |
hex | 15aad1 |
1419985 has 16 divisors (see below), whose sum is σ = 2016000. Its totient is φ = 939456.
The previous prime is 1419973. The next prime is 1420009. The reversal of 1419985 is 5899141.
It is not a de Polignac number, because 1419985 - 213 = 1411793 is a prime.
Its product of digits (12960) is a multiple of the sum of its prime divisors (1440).
It is an unprimeable number.
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 in 15 ways as a sum of consecutive naturals, for example, 316 + ... + 1714.
It is an arithmetic number, because the mean of its divisors is an integer number (126000).
21419985 is an apocalyptic number.
It is an amenable number.
1419985 is a deficient number, since it is larger than the sum of its proper divisors (596015).
1419985 is a wasteful number, since it uses less digits than its factorization.
1419985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1440.
The product of its digits is 12960, while the sum is 37.
The square root of 1419985 is about 1191.6312349045. The cubic root of 1419985 is about 112.3986906886.
It can be divided in two parts, 1 and 419985, that added together give a triangular number (419986 = T916).
The spelling of 1419985 in words is "one million, four hundred nineteen thousand, nine hundred eighty-five".
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