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1232252005 = 51135693833
BaseRepresentation
bin100100101110010…
…1010110001100101
310011212200212222011
41021130222301211
510010424031010
6322135234221
742351653305
oct11134526145
93155625864
101232252005
11582635196
122a4818971
131683a74ca
14b9927605
15732aba8a
hex4972ac65

1232252005 has 16 divisors (see below), whose sum is σ = 1494799920. Its totient is φ = 975106048.

The previous prime is 1232252003. The next prime is 1232252051. The reversal of 1232252005 is 5002522321.

It can be written as a sum of positive squares in 8 ways, for example, as 549527364 + 682724641 = 23442^2 + 26129^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232252005 - 21 = 1232252003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232252003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319569 + ... + 323401.

It is an arithmetic number, because the mean of its divisors is an integer number (93424995).

Almost surely, 21232252005 is an apocalyptic number.

It is an amenable number.

1232252005 is a deficient number, since it is larger than the sum of its proper divisors (262547915).

1232252005 is a wasteful number, since it uses less digits than its factorization.

1232252005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1232252005 is about 35103.4471953966. The cubic root of 1232252005 is about 1072.0947710475.

Adding to 1232252005 its reverse (5002522321), we get a palindrome (6234774326).

The spelling of 1232252005 in words is "one billion, two hundred thirty-two million, two hundred fifty-two thousand, five".

Divisors: 1 5 113 565 569 2845 3833 19165 64297 321485 433129 2165645 2180977 10904885 246450401 1232252005