Search a number
-
+
1223330132 = 221717990149
BaseRepresentation
bin100100011101010…
…1000100101010100
310011020220121110102
41020322220211110
510001133031012
6321220113232
742213064103
oct11072504524
93136817412
101223330132
115785a1042
122a1835818
131665a25ab
14b868403a
15725e82c2
hex48ea8954

1223330132 has 12 divisors (see below), whose sum is σ = 2266758900. Its totient is φ = 575684736.

The previous prime is 1223330123. The next prime is 1223330189. The reversal of 1223330132 is 2310333221.

It can be written as a sum of positive squares in 2 ways, for example, as 713744656 + 509585476 = 26716^2 + 22574^2 .

It is a super-2 number, since 2×12233301322 = 2993073223718274848, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 8995007 + ... + 8995142.

It is an arithmetic number, because the mean of its divisors is an integer number (188896575).

Almost surely, 21223330132 is an apocalyptic number.

It is an amenable number.

1223330132 is a deficient number, since it is larger than the sum of its proper divisors (1043428768).

1223330132 is a wasteful number, since it uses less digits than its factorization.

1223330132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17990170 (or 17990168 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1223330132 is about 34976.1366076930. The cubic root of 1223330132 is about 1069.5010723098.

Adding to 1223330132 its reverse (2310333221), we get a palindrome (3533663353).

The spelling of 1223330132 in words is "one billion, two hundred twenty-three million, three hundred thirty thousand, one hundred thirty-two".

Divisors: 1 2 4 17 34 68 17990149 35980298 71960596 305832533 611665066 1223330132