Search a number
-
+
1213000232 = 23437334673
BaseRepresentation
bin100100001001100…
…1110101000101000
310010112110210111112
41020103032220220
54441012001412
6320210445452
742026221553
oct11023165050
93115423445
101213000232
11572786034
1229a293888
131643c6822
14b715569a
1571757722
hex484cea28

1213000232 has 16 divisors (see below), whose sum is σ = 2274961140. Its totient is φ = 606343936.

The previous prime is 1213000231. The next prime is 1213000259. The reversal of 1213000232 is 2320003121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1154232676 + 58767556 = 33974^2 + 7666^2 .

It is not an unprimeable number, because it can be changed into a prime (1213000231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17648 + ... + 52320.

Almost surely, 21213000232 is an apocalyptic number.

It is an amenable number.

1213000232 is a deficient number, since it is larger than the sum of its proper divisors (1061960908).

1213000232 is a wasteful number, since it uses less digits than its factorization.

1213000232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39052 (or 39048 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1213000232 is about 34828.1528651750. The cubic root of 1213000232 is about 1066.4822409447.

Adding to 1213000232 its reverse (2320003121), we get a palindrome (3533003353).

The spelling of 1213000232 in words is "one billion, two hundred thirteen million, two hundred thirty-two", and thus it is an aban number.

Divisors: 1 2 4 8 4373 8746 17492 34673 34984 69346 138692 277384 151625029 303250058 606500116 1213000232