Search a number
-
+
2243426437 = 72177379467
BaseRepresentation
bin1000010110110111…
…1111100010000101
312210100101212112001
42011231333202011
514043304121222
61010340225301
7106410544600
oct20555774205
95710355461
102243426437
11a513a053a
1252739b231
13299a27985
14173d43337
15d1e48e27
hex85b7f885

2243426437 has 48 divisors (see below), whose sum is σ = 2842594560. Its totient is φ = 1758661632.

The previous prime is 2243426389. The next prime is 2243426447. The reversal of 2243426437 is 7346243422.

It is not a de Polignac number, because 2243426437 - 27 = 2243426309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2243426396 and 2243426405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243426447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4803678 + ... + 4804144.

It is an arithmetic number, because the mean of its divisors is an integer number (59220720).

Almost surely, 22243426437 is an apocalyptic number.

It is an amenable number.

2243426437 is a deficient number, since it is larger than the sum of its proper divisors (599168123).

2243426437 is a wasteful number, since it uses less digits than its factorization.

2243426437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 643 counting only the distinct ones).

The product of its digits is 193536, while the sum is 37.

The square root of 2243426437 is about 47364.8227802026. The cubic root of 2243426437 is about 1309.0933331603.

Adding to 2243426437 its reverse (7346243422), we get a palindrome (9589669859).

The spelling of 2243426437 in words is "two billion, two hundred forty-three million, four hundred twenty-six thousand, four hundred thirty-seven".

Divisors: 1 7 17 49 73 79 119 467 511 553 833 1241 1343 3269 3577 3871 5767 7939 8687 9401 22883 34091 36893 40369 55573 60809 65807 98039 238637 258251 282583 389011 579547 627181 686273 1670459 1807757 2693189 4056829 4390267 4803911 18852323 28397803 30731869 45784213 131966261 320489491 2243426437