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3004385 = 5600877
BaseRepresentation
bin1011011101011111100001
312122122020112
423131133201
51232120020
6144221105
734352066
oct13353741
95578215
103004385
11177226a
12100a795
13812657
14582c6d
153e52c5
hex2dd7e1

3004385 has 4 divisors (see below), whose sum is σ = 3605268. Its totient is φ = 2403504.

The previous prime is 3004369. The next prime is 3004387. The reversal of 3004385 is 5834003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5834003 = 7833429.

It can be written as a sum of positive squares in 2 ways, for example, as 1547536 + 1456849 = 1244^2 + 1207^2 .

It is a cyclic number.

It is not a de Polignac number, because 3004385 - 24 = 3004369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3004385.

It is not an unprimeable number, because it can be changed into a prime (3004387) 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, 300434 + ... + 300443.

It is an arithmetic number, because the mean of its divisors is an integer number (901317).

Almost surely, 23004385 is an apocalyptic number.

It is an amenable number.

3004385 is a deficient number, since it is larger than the sum of its proper divisors (600883).

3004385 is an equidigital number, since it uses as much as digits as its factorization.

3004385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600882.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3004385 is about 1733.3161858126. The cubic root of 3004385 is about 144.2951924257.

Adding to 3004385 its reverse (5834003), we get a palindrome (8838388).

The spelling of 3004385 in words is "three million, four thousand, three hundred eighty-five".

Divisors: 1 5 600877 3004385