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2242405 = 51140771
BaseRepresentation
bin1000100011011101100101
311012221000001
420203131211
51033224110
6120021301
725026424
oct10433545
94187001
102242405
1112a1830
12901831
13606889
144252bb
152e463a
hex223765

2242405 has 8 divisors (see below), whose sum is σ = 2935584. Its totient is φ = 1630800.

The previous prime is 2242381. The next prime is 2242433. The reversal of 2242405 is 5042422.

2242405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2242405 - 27 = 2242277 is a prime.

It is a d-powerful number, because it can be written as 29 + 211 + 47 + 213 + 49 + 0 + 59 .

It is a Duffinian number.

2242405 is a lucky number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 20331 + ... + 20440.

It is an arithmetic number, because the mean of its divisors is an integer number (366948).

22242405 is an apocalyptic number.

It is an amenable number.

2242405 is a deficient number, since it is larger than the sum of its proper divisors (693179).

2242405 is a wasteful number, since it uses less digits than its factorization.

2242405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40787.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2242405 is about 1497.4661932745. The cubic root of 2242405 is about 130.8894625307.

Adding to 2242405 its reverse (5042422), we get a palindrome (7284827).

The spelling of 2242405 in words is "two million, two hundred forty-two thousand, four hundred five".

Divisors: 1 5 11 55 40771 203855 448481 2242405