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1200032413 = 3125323561
BaseRepresentation
bin100011110000111…
…0000101010011101
310002122001221222221
41013201300222131
54424202014123
6315024505341
741511051526
oct10741605235
93078057887
101200032413
11566429128
12295a7b251
13161806168
14b553b84d
157054525d
hex47870a9d

1200032413 has 12 divisors (see below), whose sum is σ = 1263441564. Its totient is φ = 1139361600.

The previous prime is 1200032387. The next prime is 1200032437. The reversal of 1200032413 is 3142300021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 550700089 + 649332324 = 23467^2 + 25482^2 .

It is not a de Polignac number, because 1200032413 - 29 = 1200031901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200032213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39153 + ... + 62713.

It is an arithmetic number, because the mean of its divisors is an integer number (105286797).

Almost surely, 21200032413 is an apocalyptic number.

It is an amenable number.

1200032413 is a deficient number, since it is larger than the sum of its proper divisors (63409151).

1200032413 is an equidigital number, since it uses as much as digits as its factorization.

1200032413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23676 (or 23645 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1200032413 is about 34641.4839895753. The cubic root of 1200032413 is about 1062.6681368610.

Adding to 1200032413 its reverse (3142300021), we get a palindrome (4342332434).

The spelling of 1200032413 in words is "one billion, two hundred million, thirty-two thousand, four hundred thirteen".

Divisors: 1 31 53 961 1643 23561 50933 730391 1248733 22642121 38710723 1200032413