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1194385 = 5238877
BaseRepresentation
bin100100011100110010001
32020200101111
410203212101
5301210020
641333321
713103113
oct4434621
92220344
101194385
117463a5
12497241
1332a84a
142313b3
15188d5a
hex123991

1194385 has 4 divisors (see below), whose sum is σ = 1433268. Its totient is φ = 955504.

The previous prime is 1194383. The next prime is 1194407. The reversal of 1194385 is 5834911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5834911 = 16335797.

It can be written as a sum of positive squares in 2 ways, for example, as 528529 + 665856 = 727^2 + 816^2 .

It is a cyclic number.

It is not a de Polignac number, because 1194385 - 21 = 1194383 is a prime.

It is a Duffinian number.

1194385 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1194383) 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, 119434 + ... + 119443.

It is an arithmetic number, because the mean of its divisors is an integer number (358317).

21194385 is an apocalyptic number.

It is an amenable number.

1194385 is a deficient number, since it is larger than the sum of its proper divisors (238883).

1194385 is an equidigital number, since it uses as much as digits as its factorization.

1194385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238882.

The product of its digits is 4320, while the sum is 31.

The square root of 1194385 is about 1092.8792248003. The cubic root of 1194385 is about 106.0998525091.

The spelling of 1194385 in words is "one million, one hundred ninety-four thousand, three hundred eighty-five".

Divisors: 1 5 238877 1194385