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1416385 = 5283277
BaseRepresentation
bin101011001110011000001
32122221220201
411121303001
5330311020
650205201
715016255
oct5316301
92587821
101416385
11888173
12583801
133a78c9
1428c265
151cea0a
hex159cc1

1416385 has 4 divisors (see below), whose sum is σ = 1699668. Its totient is φ = 1133104.

The previous prime is 1416341. The next prime is 1416433. The reversal of 1416385 is 5836141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5836141 = 23924419.

It can be written as a sum of positive squares in 2 ways, for example, as 430336 + 986049 = 656^2 + 993^2 .

It is a cyclic number.

It is not a de Polignac number, because 1416385 - 219 = 892097 is a prime.

It is a super-2 number, since 2×14163852 = 4012292936450, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141634 + ... + 141643.

It is an arithmetic number, because the mean of its divisors is an integer number (424917).

21416385 is an apocalyptic number.

It is an amenable number.

1416385 is a deficient number, since it is larger than the sum of its proper divisors (283283).

1416385 is an equidigital number, since it uses as much as digits as its factorization.

1416385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283282.

The product of its digits is 2880, while the sum is 28.

The square root of 1416385 is about 1190.1197418747. The cubic root of 1416385 is about 112.3036244924.

The spelling of 1416385 in words is "one million, four hundred sixteen thousand, three hundred eighty-five".

Divisors: 1 5 283277 1416385