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2242120405 = 57431489781
BaseRepresentation
bin1000010110100100…
…0000101011010101
312210020221111222111
42011221000223111
514042440323110
61010252231021
7106363465120
oct20551005325
95706844874
102242120405
11a50689278
12526a6b471
1329968b385
14173ac33b7
15d1c8be8a
hex85a40ad5

2242120405 has 16 divisors (see below), whose sum is σ = 3146419584. Its totient is φ = 1501698240.

The previous prime is 2242120381. The next prime is 2242120549. The reversal of 2242120405 is 5040212422.

It is not a de Polignac number, because 2242120405 - 25 = 2242120373 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 743386 + ... + 746395.

It is an arithmetic number, because the mean of its divisors is an integer number (196651224).

Almost surely, 22242120405 is an apocalyptic number.

It is an amenable number.

2242120405 is a deficient number, since it is larger than the sum of its proper divisors (904299179).

2242120405 is a wasteful number, since it uses less digits than its factorization.

2242120405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489836.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 2242120405 is about 47351.0338324307. The cubic root of 2242120405 is about 1308.8392501441.

Adding to 2242120405 its reverse (5040212422), we get a palindrome (7282332827).

The spelling of 2242120405 in words is "two billion, two hundred forty-two million, one hundred twenty thousand, four hundred five".

Divisors: 1 5 7 35 43 215 301 1505 1489781 7448905 10428467 52142335 64060583 320302915 448424081 2242120405