Search a number
-
+
1212264230 = 25532287291
BaseRepresentation
bin100100001000001…
…1010111100100110
310010111002101220012
41020100122330212
54440314423410
6320143010222
742020035022
oct11020327446
93114071805
101212264230
11572323071
12299b99972
131641c9818
14b7003382
157165e605
hex4841af26

1212264230 has 16 divisors (see below), whose sum is σ = 2223247824. Its totient is φ = 475756320.

The previous prime is 1212264223. The next prime is 1212264257. The reversal of 1212264230 is 324622121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1212264196 and 1212264205.

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 7 ways as a sum of consecutive naturals, for example, 1143116 + ... + 1144175.

It is an arithmetic number, because the mean of its divisors is an integer number (138952989).

Almost surely, 21212264230 is an apocalyptic number.

1212264230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212264230 is a deficient number, since it is larger than the sum of its proper divisors (1010983594).

1212264230 is a wasteful number, since it uses less digits than its factorization.

1212264230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287351.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1212264230 is about 34817.5850684679. The cubic root of 1212264230 is about 1066.2664971355.

Adding to 1212264230 its reverse (324622121), we get a palindrome (1536886351).

The spelling of 1212264230 in words is "one billion, two hundred twelve million, two hundred sixty-four thousand, two hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 2287291 4574582 11436455 22872910 121226423 242452846 606132115 1212264230