Search a number
-
+
1244300215 = 51926710289
BaseRepresentation
bin100101000101010…
…1000001110110111
310012201101000000011
41022022220032313
510022020101330
6323245401051
742556243264
oct11212501667
93181330004
101244300215
11589414194
122a8869187
1316aa35422
14bb38226b
157438b82a
hex4a2a83b7

1244300215 has 24 divisors (see below), whose sum is σ = 1599559920. Its totient is φ = 928882944.

The previous prime is 1244300209. The next prime is 1244300219. The reversal of 1244300215 is 5120034421.

1244300215 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1244300215 - 27 = 1244300087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244300219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115791 + ... + 126079.

It is an arithmetic number, because the mean of its divisors is an integer number (66648330).

Almost surely, 21244300215 is an apocalyptic number.

1244300215 is a deficient number, since it is larger than the sum of its proper divisors (355259705).

1244300215 is a wasteful number, since it uses less digits than its factorization.

1244300215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10399 (or 10380 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1244300215 is about 35274.6398280691. The cubic root of 1244300215 is about 1075.5775414733.

Adding to 1244300215 its reverse (5120034421), we get a palindrome (6364334636).

The spelling of 1244300215 in words is "one billion, two hundred forty-four million, three hundred thousand, two hundred fifteen".

Divisors: 1 5 19 67 95 335 361 1273 1805 6365 10289 24187 51445 120935 195491 689363 977455 3446815 3714329 13097897 18571645 65489485 248860043 1244300215