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1386485 = 5277297
BaseRepresentation
bin101010010011111110101
32121102220022
411102133311
5323331420
645414525
714533142
oct5223765
92542808
101386485
11867761
1256a445
13397109
142813c9
151c5c25
hex1527f5

1386485 has 4 divisors (see below), whose sum is σ = 1663788. Its totient is φ = 1109184.

The previous prime is 1386479. The next prime is 1386491. The reversal of 1386485 is 5846831.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1386479) and next prime (1386491).

It can be written as a sum of positive squares in 2 ways, for example, as 461041 + 925444 = 679^2 + 962^2 .

It is a cyclic number.

It is not a de Polignac number, because 1386485 - 214 = 1370101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138644 + ... + 138653.

It is an arithmetic number, because the mean of its divisors is an integer number (415947).

21386485 is an apocalyptic number.

It is an amenable number.

1386485 is a deficient number, since it is larger than the sum of its proper divisors (277303).

1386485 is an equidigital number, since it uses as much as digits as its factorization.

1386485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277302.

The product of its digits is 23040, while the sum is 35.

The square root of 1386485 is about 1177.4909766109. The cubic root of 1386485 is about 111.5077514770.

The spelling of 1386485 in words is "one million, three hundred eighty-six thousand, four hundred eighty-five".

Divisors: 1 5 277297 1386485